The 2023 Nonthaburi Challenger III was a professional tennis tournament played on hard courts. It was the 6th edition of the tournament which was part of the

2023 ATP Challenger Tour The Association of Tennis Professionals (ATP) ATP Challenger Tour, Challenger Tour in 2023 in tennis, 2023 was the secondary professional tennis circuit organized by the ATP. The 2023 ATP Challenger Tour calendar comprised 196 tournaments, with pr ...

. It took place in

Nonthaburi Nonthaburi (, ) is the principal city of the district and province of the same name in Thailand. On 15 February 1936, Nonthaburi town municipality ('' thesaban mueang'') was established, which only covered Suan Yai subdistrict (''tambon''), j ...

, Thailand from 16 to 22 January 2023.

Singles main-draw entrants

Seeds

* ¹ Rankings are as of 9 January 2023.

Other entrants

The following players received wildcards into the singles main draw: * Yuttana Charoenphon * Jirat Navasirisomboon *

Kasidit Samrej Kasidit Samrej (; born 26 January 2001) is a Thai tennis player. He has a career high ATP singles ranking of world No. 382 achieved on 26 May 2025. He also has a career high ATP doubles ranking of No. 822 achieved on 12 June 2023. He is currentl ...

The following players received entry into the singles main draw as alternates: *

Stefano Travaglia Stefano Travaglia (born 18 December 1991 in Ascoli Piceno) is an Italian tennis player. He has a career-high ATP singles ranking of No. 60, which he reached on 8 February 2021. He also has a career-high ATP doubles ranking of No. 224 achieved on ...

Beibit Zhukayev Beibit Zhukayev (born 12 October 2000) is a Kazakh tennis player. He has a career high ATP singles ranking of world No. 171 achieved on 20 May 2024 and a doubles ranking of No. 327 achieved on 3 October 2022. He is the current No. 6 Kazakh play ...

The following players received entry from the qualifying draw: *

Arthur Cazaux Arthur Cazaux (; born 23 August 2002) is a French professional tennis player. He has a career high ATP singles ranking of world No. 63 achieved on 2 December 2024. He also has a career high doubles ranking of world No. 430, achieved on 1 Novembe ...

Evgeny Donskoy Evgeny Evgenyevich Donskoy ( rus, Евге́ний Евге́ньевич Донско́й, , jɪvˈɡʲenʲɪj dɐnˈskoj; born 9 May 1990) is a Russian professional tennis player. He has a career-high ATP singles ranking of No. 65, achieved o ...

Jakub Menšík Jakub Menšík (; born 1 September 2005) is a Czech professional tennis player. He has a career-high ATP singles ranking of world No. 17, achieved on 9 June 2025, and a doubles ranking of No. 386, achieved on 3 February 2025. Menšík is current ...

Shintaro Mochizuki Shintaro Mochizuki (Japanese: 望月慎太郎, ''Mochizuki Shintarō'', born 2 June 2003) is a Japanese professional tennis player. He has an ATP career-high singles ranking of world No. 129 achieved on 6 November 2023 and a doubles ranking of ...

* Dominik Palán *

Stuart Parker Stuart Parker may refer to: * Stuart Parker (politician) (born 1972), former leader of the Green Party in British Columbia, Canada * Stuart Parker (footballer, born 1954), English football manager and former footballer * Stuart Parker (footballer, ...

The following player received entry as a lucky loser: *

Giovanni Fonio Giovanni Fonio (born 7 May 1998) is an Italian tennis player. Fonio has a career high ATP singles ranking of world No. 269 achieved on 29 January 2024. He also has a career high doubles ranking of No. 406 achieved on 15 January 2024. Career Fon ...

Champions

Singles

Sho Shimabukuro Sho Shimabukuro (島袋将, ''Shimabukuro Shō'', born 30 July 1997) is a Japanese professional tennis player. Shimabukuro has a career high ATP singles ranking of world No. 135 achieved on 2 October 2023 and a doubles ranking of No. 376 achiev ...

def.

6–2, 7–5.

Doubles

Nam Ji-sung Nam Ji-sung (born 15 August 1993) is a South Korean tennis player. He has a career high ATP singles ranking of world No. 236 achieved on 12 August 2019. He also has a career high ATP doubles ranking of No. 102 achieved on 3 February 2020. In ...

/ Song Min-kyu def.

Jan Choinski Jan Choinski (; born 10 June 1996 in Germany) is a German-born Polish-British tennis player who competes mainly on the ATP Challenger Tour. Choinski has a career high ATP singles ranking of world No. 126, achieved on 21 August 2023. Since 2019, ...

6–4, 6–4.

References

{{DEFAULTSORT:Nonthaburi Challenger III, 2023 2023 in Thai sport 2023 ATP Challenger Tour January 2023 sports events in Thailand