Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
USA
25.01.90, 35 years
25.01.90, 35 years
Jason Jung vs. Mateusz Kecki - head to head matches
| 16.07.07 | q 1 | Jason Jung | Mateusz Kecki | 6-0, 6-2 | match details |  Aptos | Hard |
Jason Jung form & Mateusz Kecki form
Jason Jung - last matches
 Nonthaburi 3 - Hard | ||||
| 20.01.24 1/2 | vs. Matteo Gigante | 3-6, 5-7 |  | match details |
| 19.01.24 1/4 | vs. Ryan Peniston | 6-4, 6-3 |  | match details |
| 17.01.24 2nd round | vs. Aziz Dougaz | 6-4, 7-64 | | match details |
| 15.01.24 1st round | vs. Maximus Jones | 6-2, 6-1 | | match details |
| Nonthaburi 2 - Hard | ||||
| 10.01.24 2nd round | vs. Manuel Guinard | 1-6, 6-77 | | match details |
| 09.01.24 1st round | vs. Nick Hardt | 6-4, 6-2 | | match details |
 Yokohama Challenger - Hard | ||||
| 19.11.23 1st round | vs. Yuta Shimizu | 4-6, 5-7 | | match details |
| Kobe Challenger - I. hard | ||||
| 17.11.23 1/4 | vs. Tung-Lin Wu | 4-6, 3-6 | | match details |
| 16.11.23 2nd round | vs. Yunseong Chung | 6-72, 6-3, 4-1, Yunseong Chung - retired | | match details |
| 14.11.23 1st round | vs. Zdenek Kolar | 6-4, 7-64 | | match details |
| Matsuyama Challenger - Hard | ||||
| 07.11.23 1st round | vs. Yuta Shimizu | 4-6, 6-2, 4-6 | | match details |
| Tokyo - Hard | ||||
| 14.10.23 q 1 | vs. Taro Daniel | 7-61, 3-6, 3-6 | | match details |
 Shenzhen 1 - Hard | ||||
| 13.10.23 1/4 | vs. Pedro Cachin | 3-6, 4-6 | | match details |
| 12.10.23 2nd round | vs. James Duckworth | 3-6, 7-5, 6-2 | | match details |
| 10.10.23 1st round | vs. Evgeny Donskoy | 6-4, 2-6, 6-4 | | match details |
| Shanghai - Hard | ||||
| 02.10.23 q 1 | vs. Beibit Zhukayev | 6-4, 3-6, 3-6 | | match details |
| Zhuhai Challenger - Hard | ||||
| 26.08.23 fin | vs. Arthur Weber | 3-6, 7-5, 3-6 | | match details |
| 25.08.23 1/2 | vs. Zhe Li | 7-63, 6-1 | | match details |
| 24.08.23 1/4 | vs. Robert Strombachs | 6-4, 6-2 | | match details |
| 23.08.23 2nd round | vs. Fajing Sun | 6-3, 3-6, 7-64 | | match details |
| 22.08.23 1st round | vs. Yan Bai | 6-2, 6-3 | | match details |
| Stanford Challenger - Hard | ||||
| 14.08.23 1st round | vs. Dalibor Svrcina | 4-6, 2-6 | | match details |
| 13.08.23 qual. | vs. Keegan Smith | 5-7, 6-4, 6-1 | | match details |
| 12.08.23 q 1 | vs. Abraham Asaba | 6-1, 6-2 | | match details |
 Los Cabos - Hard | ||||
| 02.08.23 2nd round | vs. Borna Coric | 1-6, 2-6 | | match details |
| 01.08.23 1st round | vs. Ernesto Escobedo | 3-6, 7-65, 6-2 | | match details |
| 30.07.23 qual. | vs. Omni Kumar | 4-6, 6-4, 6-73 | | match details |
| 29.07.23 q 1 | vs. Alexander Cozbinov | 6-0, 6-1 | | match details |
| Atlanta - Hard | ||||
| 24.07.23 1st round | vs. Jeff Wolf | 2-6, 1-6 | | match details |
| 23.07.23 qual. | vs. Gabriel Diallo | 4-6, 7-5, 7-61 | | match details |
Mateusz Kecki - last matches
| Aptos - Hard | ||||
| 16.07.07 q 1 | vs. Jason Jung | 0-6, 2-6 | | match details |
 Wimbledon (juniors) - Grass | ||||
| 05.07.07 2nd round | vs. Uladzimir Ignatik | 2-6, 2-6 | | match details |
| 04.07.07 1st round | vs. Valentin Dimov | 6-2, 7-66 | | match details |
 French Open - Clay | ||||
| 04.06.07 2nd round | vs. Greg Jones | 4-6, 6-79 | | match details |
| 03.06.07 1st round | vs. Henrique Cunha | 6-3, 7-65 | | match details |
 Australian Open - Hard | ||||
| 23.01.07 2nd round | vs. Ricardas Berankis | 5-7, 1-6 | | match details |
| 21.01.07 1st round | vs. Soong-Jae Cho | 6-3, 6-4 | | match details |
| U.S. Open - Hard | ||||
| 03.09.06 1st round | vs. Pavel Chekhov | 6-3, 6-73, 3-6 | | match details |
| USA F12 - Hard | ||||
| 12.06.06 1st round | vs. Sam Warburg | 2-6, 2-6 | | match details |
| Australian Open - Hard | ||||
| 23.01.06 1st round | vs. Thomas Fabbiano | 4-6, 4-6 | | match details |
| Yuba City - Hard | ||||
| 30.05.05 q 1 | vs. Brad Weston | 2-6, 1-6 | | match details |
