The Toyota International Series was a professional women's tennis circuit administered by the
Women's Tennis Association
The Women's Tennis Association (WTA) is the principal organizing body of women's professional tennis. The association governs the WTA Tour, which is the worldwide professional tennis tour for women, and was founded to create a better future fo ...
that was founded in 1977 as the Colgate International Series it consisted of tournaments absorbed from the
ILTF Women's International Grand Prix and included all those worldwide events that were not part of the
Virginia Slims Circuit
The Virginia Slims World Championship Series (its sponsored name) or WTA World Championship Series (its tour name) was the women's top tier tennis tour administered by the Women's Tennis Association that was first founded in 1970 as the Virginia S ...
whose tournaments were mainly in the United States. In 1979 it was renamed as the Colgate Series.
In 1981 the
Toyota Motor Corporation
is a Japanese Multinational corporation, multinational Automotive industry, automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on August 28, 1937. Toyota is the List of manuf ...
took over sponsorship of the circuit from the
Colgate-Palmolive Company
The Colgate-Palmolive Company, commonly known as Colgate-Palmolive, is an American multinational consumer products company headquartered on Park Avenue in Midtown Manhattan, New York City. The company specializes in the production, distribut ...
where it resumed under its last title name until 1982.
The circuits seasonal finales were known as the
Colgate Series Championships then later the
Toyota Championships
The Toyota Championships were the finales in an annual series of professional women's tennis tournaments for women from 1977 through 1982. They were a continuation of the earlier Colgate Series Championships (1977-80) They were the fall season fi ...
.
In 1983 it was merged into a single women's top tier global tour called
Virginia Slims World Championship Series
The Virginia Slims World Championship Series (its sponsored name) or WTA World Championship Series (its tour name) was the women's top tier tennis tour administered by the Women's Tennis Association that was first founded in 1970 as the Virginia S ...
.
It was administered by the
Women's Tennis Association
The Women's Tennis Association (WTA) is the principal organizing body of women's professional tennis. The association governs the WTA Tour, which is the worldwide professional tennis tour for women, and was founded to create a better future fo ...
. In 1990 the VS World Championships Series became known as the
WTA World Tour, today known as the
WTA Tour
The WTA Tour (also known as the Hologic WTA Tour for sponsorship reasons) is a worldwide top-tier tennis tour for women and organized by the Women's Tennis Association. The second-tier tour is the WTA 125 series, and third-tier is the ITF Wome ...
.
Season ending finals
These events were the fall season finales of the Colgate Series, then later Toyota International Series circuits. They operated in much the same way as the men's
WCT Circuit
The WCT Circuit was a tour for professional male tennis players that commenced in 1968 (the organization and first players signed a contract at the end of 1967) it lasted until 1989 when it and ITF Grand Prix Circuit were both replaced by the new ...
which also had seasonal
WCT Finals
The WCT Finals was a men's tennis tournament that served as the season-ending championship for the WCT Circuit. From 1971–1989 the event was held annually in Texas on indoor carpet courts. The 1971 quarterfinals and semifinals were played in Hou ...
held in the fall or winter.
*
Colgate International Series Championships (1977–78)
*
Colgate Series Championships (1979–80)
*
Toyota Championships
The Toyota Championships were the finales in an annual series of professional women's tennis tournaments for women from 1977 through 1982. They were a continuation of the earlier Colgate Series Championships (1977-80) They were the fall season fi ...
(1981–82)
Circuit tournaments
Note: ''Official named events are listed some by their sponsored names.''
1976-77
*
Atlanta Women's Tennis Classic
*
Borniquen Tennis Classic
*
Canadian Open
*
Charlotte Tennis Classic
* Colgate Inaugural
*
Colgate International Championships
*
Dewar Cup Finals
The Dewar Cup Finals also known as the Dewar Cup London was an indoor tennis event held from 1968 through 1976 or London 3 its Association of Tennis Professionals, ATP designation. For the initial two years staged at the Crystal Palace, London, ...
*
Family Circle Cup
The Charleston Open, currently sponsored by Credit One, is a WTA Tour-affiliated professional tennis tournament for women, held every year since 1973. It is the oldest professional all-women's tournament in America with a $1,064,510 purse. The t ...
*
Florida Federal Open #REDIRECT Eckerd Open
The Eckerd Open is a defunct WTA Tour affiliated women's tennis tournament founded in 1953 as a combined men's and women's clay court tennis tournament called the Masters Invitational tournament in St Augustine, Florida. In 1 ...
*
German Open
*
Italian Open
*
New South Wales Open
*
South African Open
*
Thunderbird Classic
*
Toray Sillook Open
*
Toyota Women's Classic
*
U.S. Women's Clay Court Championships The U.S. Open Clay Courts, known formally as the U.S. Clay Court Championships, was a national tennis championship for women that was sanctioned by the United States Tennis Association. The first edition was held in Pittsburgh, Pennsylvania in 1912, ...
*
WTA Brazil Open
1977-78
*
Atlanta Women's Tennis Classic
*
Australian Open
The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
*
Bergen County Classic
*
Bremar Cup
*
Brighton International
The Brighton International was a tennis tournament held in Brighton, UK. It was a WTA Tour event from 1978 to 1995 and an ATP Tour event from 1996 to 2000, upon the discontinuation of the women's tournament.
The women's event was held in Octobe ...
*
Canadian Open
*
Chichester International
*
Colgate International of Australia
*
Eastbourne International
The Eastbourne Open (also known as Eastbourne International, formerly Rothesay) is a tennis tournament on the WTA Tour and the ATP Tour held at the Devonshire Park Lawn Tennis Club, Eastbourne, United Kingdom. Held since 1974, it is classified as ...
*
Family Circle Cup
The Charleston Open, currently sponsored by Credit One, is a WTA Tour-affiliated professional tennis tournament for women, held every year since 1973. It is the oldest professional all-women's tournament in America with a $1,064,510 purse. The t ...
*
Florida Federal Open #REDIRECT Eckerd Open
The Eckerd Open is a defunct WTA Tour affiliated women's tennis tournament founded in 1953 as a combined men's and women's clay court tennis tournament called the Masters Invitational tournament in St Augustine, Florida. In 1 ...
*
French Open
The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
*
German Open
*
Italian Open
*
New South Wales Open
*
River Plate Championships
*
South African Open
*
Stuttgart Open
The Stuttgart Open (sponsored since 2022 by Hugo Boss and called the BOSS Open) is an ATP Tour 250 series professional tennis tournament on the ATP Tour. From 1970 to 1989, the Stuttgart Open was a Grand Prix tennis circuit event. From 1990 to 19 ...
*
Thunderbird Classic
*
US Open U.S. Open or US Open are open championship sporting tournaments that are hosted in the United States and in which anyone, especially amateur and professional, or American and non-American, may compete. The term may also be applied to non-sporting ev ...
*
U.S. Women's Clay Court Championships The U.S. Open Clay Courts, known formally as the U.S. Clay Court Championships, was a national tennis championship for women that was sanctioned by the United States Tennis Association. The first edition was held in Pittsburgh, Pennsylvania in 1912, ...
*
U.S. Women's Indoor Championships
*
Victorian Open
The Victorian Open is an annual golf tournament held in Australia. It was founded in 1957 and is the Victoria state open championship for men. It is run by Golf Victoria and is a Golf Australia national ranking event.
The event is held concur ...
*
Wimbledon Championships
The Wimbledon Championships, commonly called Wimbledon, is a tennis tournament organised by the All England Lawn Tennis and Croquet Club in collaboration with the Lawn Tennis Association annually in Wimbledon, London. It is chronologically the ...
*
Women in Tennis International
*
World Tennis Classic
1978-79
*
Australian Open
The Australian Open (stylized ΛO) is a tennis tournament organised by Tennis Australia annually at Melbourne Park in Melbourne, Victoria (state), Victoria, Australia. It is chronologically the first of the four Grand Slam (tennis), Grand Sl ...
*
Austrian Open
*
Atlanta Women's Tennis Classic
*
Bancroft Trophy
*
Borden Classic
*
Brighton International
The Brighton International was a tennis tournament held in Brighton, UK. It was a WTA Tour event from 1978 to 1995 and an ATP Tour event from 1996 to 2000, upon the discontinuation of the women's tournament.
The women's event was held in Octobe ...
*
Canadian Open
*
Chichester International
*
Christchurch International
*
Eastbourne International
The Eastbourne Open (also known as Eastbourne International, formerly Rothesay) is a tennis tournament on the WTA Tour and the ATP Tour held at the Devonshire Park Lawn Tennis Club, Eastbourne, United Kingdom. Held since 1974, it is classified as ...
*
Family Circle Cup
The Charleston Open, currently sponsored by Credit One, is a WTA Tour-affiliated professional tennis tournament for women, held every year since 1973. It is the oldest professional all-women's tournament in America with a $1,064,510 purse. The t ...
*
French Open
The French Open (), also known as Roland-Garros (), is a tennis tournament organized by the French Tennis Federation annually at Stade Roland Garros in Paris, France. It is chronologically the second of the four Grand Slam (tennis), Grand Slam ...
*
Florida Federal Open #REDIRECT Eckerd Open
The Eckerd Open is a defunct WTA Tour affiliated women's tennis tournament founded in 1953 as a combined men's and women's clay court tennis tournament called the Masters Invitational tournament in St Augustine, Florida. In 1 ...
*
Greater Pittsburgh Open
*
German Open
*
Italian Open
*
Japan Open
*
New South Wales Open (played twice)
*
Melbourne Classic
*
Richmond International
*
Southern California Open
The San Diego Open is an annual professional tennis tournament on the ATP Challenger Tour, held in San Diego, California. The tournament was founded in 1971. It is held at the Barnes Tennis Center. In 2025 it returned as an ATP Challenger 100 e ...
*
Stockholm Open
Stockholm Open (SO) is an annual tennis tournament in Sweden that is part of the ATP Tour's 250 Series. The tournament features both men's singles and doubles events and is organized by the Royal Lawn Tennis Club (KLTK), Stockholms Allmä ...
*
Stuttgart Open
The Stuttgart Open (sponsored since 2022 by Hugo Boss and called the BOSS Open) is an ATP Tour 250 series professional tennis tournament on the ATP Tour. From 1970 to 1989, the Stuttgart Open was a Grand Prix tennis circuit event. From 1990 to 19 ...
*
Thunderbird Classic
*
Toray Sillook Open
*
Toyota Women's Classic
*
US Open U.S. Open or US Open are open championship sporting tournaments that are hosted in the United States and in which anyone, especially amateur and professional, or American and non-American, may compete. The term may also be applied to non-sporting ev ...
*
U.S. Clay Court Championships
*
U.S. Women's Indoor Championships
*
Wimbledon Championships
The Wimbledon Championships, commonly called Wimbledon, is a tennis tournament organised by the All England Lawn Tennis and Croquet Club in collaboration with the Lawn Tennis Association annually in Wimbledon, London. It is chronologically the ...
*
WTA Sydney Open
*
Victorian Open
The Victorian Open is an annual golf tournament held in Australia. It was founded in 1957 and is the Victoria state open championship for men. It is run by Golf Victoria and is a Golf Australia national ranking event.
The event is held concur ...
*
Volvo Tennis Cup
Circuit names
* Colgate International Series (1977–1978)
* Colgate Series (1979–1980)
* Toyota International Series (1981–1982)
Sponsors
The main sponsors of this circuit included;
*
Colgate-Palmolive Company
The Colgate-Palmolive Company, commonly known as Colgate-Palmolive, is an American multinational consumer products company headquartered on Park Avenue in Midtown Manhattan, New York City. The company specializes in the production, distribut ...
(1977–80)
*
Toyota Motor Corporation
is a Japanese Multinational corporation, multinational Automotive industry, automotive manufacturer headquartered in Toyota City, Aichi, Japan. It was founded by Kiichiro Toyoda and incorporated on August 28, 1937. Toyota is the List of manuf ...
(1981–82)
References
{{Women's tennis seasons
Defunct tennis tours
+
History of tennis