| Challenger Zadar | 03/21 09:00 | 25 |
Chun Hsin Tseng v
Mate Valkusz
|
Cancelled | |
| Challenger Pune | 03/03 06:30 | 27 |
[412] Dominik Palan
v
Chun Hsin Tseng [124]
|
7-6,1-6,6-3 | |
| Challenger Pune | 03/01 08:10 | 26 |
[221] Hamad Medjedovic
v
Chun Hsin Tseng [124]
|
4-6,4-6 | |
| Challenger Pune | 02/28 11:00 | 25 |
[441] Akira Santillan
v
Chun Hsin Tseng [124]
|
6-4,5-7,4-6 | |
| Challenger Pune | 02/28 09:00 | - |
Arthur Cazaux
v
Chun Hsin Tseng
|
View | |
| Challenger Pune | 02/28 04:30 | 25 |
Arthur Cazaux
v
Chun Hsin Tseng
|
Cancelled | |
| Challenger Bengaluru | 02/24 10:45 | 27 |
[131] Chun Hsin Tseng v
Hamad Medjedovic
[255]
|
1-6,2-6 | |
| Challenger Bengaluru | 02/22 06:30 | 26 |
[131] Chun Hsin Tseng v
Yu Hsiou Hsu
[206] 
|
6-2,5-7,7-6 | |
| Challenger Bengaluru | 02/20 11:10 | 25 |
[131] Chun Hsin Tseng v
Frederico F Silva
[226] |
6-4,6-4 | |
| Challenger Chennai | 02/15 05:00 | 26 |
[132] Chun Hsin Tseng v
Nicolas Moreno De Alboran
[219] |
2-6,4-6 | |
| Challenger Chennai | 02/13 10:20 | 25 |
[132] Chun Hsin Tseng v
Nino Serdarusic
[253] |
6-4,7-6 | |
| ATP Dallas | 02/08 03:10 | 25 |
[39] John Isner
v
Chun Hsin Tseng [108]
|
7-6,7-6 | |
| Davis Cup | 02/05 18:25 | 45 |
Alan F R Fierros
v
Chun Hsin Tseng
|
Cancelled | |
| Davis Cup | 02/04 17:00 | 45 |
Cesar Ramirez
v
Chun Hsin Tseng
|
4-6,3-6 | |
| Australian Open | 01/17 10:25 | 23 |
[115] Chun Hsin Tseng v
Alexei Popyrin
[113] 
|
6-4,6-7,7-6,6-7,1-6 | |
| ATP Auckland | 01/07 00:05 | 14 |
[115] Chun Hsin Tseng v
Facundo Bagnis
[89] |
3-6,3-6 | |
| ATP Pune | 01/02 08:30 | 25 |
[115] Chun Hsin Tseng v
Benjamin Bonzi
[60] 
|
0-6,3-6 | |
| ATP Next Gen Finals | 11/10 18:30 | 3 |
[90] Chun Hsin Tseng v
Dominic Stricker
[111] 
|
2-4,1-4,2-4 | |
| ATP Next Gen Finals | 11/09 18:30 | 2 |
[41] Jack Draper
v
Chun Hsin Tseng [90]
|
1-4,4-2,4-3,4-2 | |
| ATP Next Gen Finals | 11/08 14:25 | 1 |
[23] Lorenzo Musetti
v
Chun Hsin Tseng [90]
|
4-2,4-2,4-2 | |
| Challenger Busan | 10/18 06:35 | 25 |
[395] Yunseong Chung
v
Chun Hsin Tseng [86]
|
7-5,7-5 | |
| Challenger Seoul | 10/11 04:45 | 25 |
[162] Maximilian Marterer
v
Chun Hsin Tseng [88]
|
6-3,6-2 | |
| ATP Tokyo | 10/04 09:00 | 25 |
[20] Nick Kyrgios
v
Chun Hsin Tseng [87]
|
6-3,6-1 | |
| ATP Seoul | 09/29 04:30 | 26 |
[88] Chun Hsin Tseng v
Aleksandar Kovacevic
[222] 
|
6-7,7-6,2-6 | |
| ATP Seoul | 09/27 05:10 | 25 |
[88] Chun Hsin Tseng v
Christopher O'Connell
[105] 
|
Retired | |
| Challenger Szczecin | 09/15 15:50 | 26 |
Chun Hsin Tseng v
Jan Choinski
|
4-6,6-4,6-7 | |
| Challenger Szczecin | 09/13 15:40 | 25 |
[88] Chun Hsin Tseng v
Louis Wessels
[269] |
7-6,6-2 | |
| Challenger Tulln | 09/05 14:30 | 25 |
[201] Jozef Kovalik
v
Chun Hsin Tseng [89]
|
5-7,6-3,6-4 | |
| US Open | 08/30 21:50 | 23 |
[84] Alexei Popyrin
v
Chun Hsin Tseng [89]
|
6-3,7-6,7-6 | |
| ATP Winston-Salem | 08/24 01:10 | 25 |
[57] Jaume Munar
v
Chun Hsin Tseng [85]
|
6-3,6-4 |
Wikipedia - Tseng Chun-hsin
Tseng Chun-hsin (Chinese: 曾俊欣; pinyin: Zēng Jùnxīn; born 8 August 2001), also known as Jason Tseng, is a Taiwanese tennis player. He has a career-high singles ranking of world No. 83 by the ATP, achieved on 8 August 2022. Tseng is currently the No. 1 Taiwanese player.
He was also the ITF junior No. 1, first reaching this ranking on 11 June 2018 after winning the French Open Boys' Singles. He is also part of the Chinese Taipei Davis Cup team since 2018, with a W/L record of 1–0.
History
Pre-2019: Junior years
He continued his training at the Mouratoglou Tennis Academy in France from age 13 to 17. During that period, he won singles title at the Petits As in 2015.
In 2018, He won his first ITF Futures event in Vietnam. He won the boys' singles title at the French Open and claimed the Wimbledon boys' singles title in the following month.
2019: ATP and Masters debut
He made his ATP debut at the 2019 Miami Open as a wildcard.
In the 2019 Summer Universiade, Tseng won the gold medal in men's singles.
2021–2022: Challenger breakthrough, Grand Slam & top 100 debuts
In December 2021, Tseng won his first ATP Challenger title in Maia, Portugal. He made his debut in the top 200 at world No. 188 on 20 December 2021.
He made his Grand Slam debut at the 2022 Australian Open where he received a wildcard.
The following month in February 2022, Tseng won his second ATP Challenger title in Bangalore, India. In April 2022, Tseng won his third ATP Challenger title in Murcia, Spain. He reached a career-high ranking of world No. 110 on 16 May 2022.
He qualified for his second Grand Slam tournament at the 2022 French Open to make his debut at this major. He lost in the first round in five sets in a match that lasted 4 hours 23 minutes against João Sousa.
As a result of reaching the semifinals in Bratislava, Tseng made his debut in the top 100, at No. 97 on 13 June 2022.
He participated in the 2022 Next Generation ATP Finals as the sixth seed.
2023–2024: First Masters win and ATP quarterfinal, back to top 115
Ranked No. 380, he made his debut in qualifying at the Masters 1000, the 2023 Rolex Shanghai Masters.[] He qualified for the main draw and defeated Alexander Shevchenko on his debut at this tournament, recording his first Masters win. As a result, he moved close to 80 positions back up, one position shy of the top 300 on 16 October 2023.[]
In March 2024, he won his fourth Challenger at the Kiskút Open in Szekesfehevar, Hungary and returned to the top 250 on 18 March 2024.
Following his fifth Challenger title at the 2024 Internazionali di Tennis Città di Vicenza in June, and a final showing at the 2024 UniCredit Czech Open in Prostejov, he moved again 80 positions back up and returned to the top 175 on 10 June 2024.[]
Ranked No. 159, he entered the second round of the main draw at the Croatia Open as a lucky loser replacing third seed Holger Rune and defeated Fabio Fognini to reach his first ATP Tour quarterfinal. Three weeks later he reached the final at the 2024 San Marino Open, losing to Alexandre Müller in a deciding set tiebreak. As a result, he returned to the top 115.[]