[248] Jack Sock 6-7,7-6,6-4 Thai-Son Kwiatkowski [219] 2021-06-04 21:45
Stadium: Stadium Round: 27 Ground: Hardcourt outdoor
Home History
| Challenger Little Rock | 2021/06/03 21:05 | Ernesto Escobedo v Jack Sock | 7-6,6-7,6-7 |
| Challenger Little Rock | 2021/06/03 00:15 | Jack Sock v Roberto Quiroz | 6-3,6-1 |
| Challenger Tallahassee | 2021/04/20 15:05 | Jack Sock v Jason Jung | 6-2,3-6,4-6 |
| Challenger Orlando | 2021/04/16 15:00 | Jack Sock v Christian Harrison | 6-7,3-6 |
| Challenger Orlando | 2021/04/15 16:30 | Prajnesh Gunneswaran v Jack Sock | 3-6,4-6 |
| Challenger Orlando | 2021/04/13 17:40 | Yosuke Watanuki v Jack Sock | 1-6,1-6 |
| Challenger Lugano | 2021/03/25 15:35 | Roman Safiullin v Jack Sock | 6-4,6-3 |
| Challenger Lugano | 2021/03/23 14:15 | Jack Sock v Antoine Bellier | 6-4,6-3 |
Away History
| Challenger Little Rock | 2021/06/03 16:00 | Alexander Ritschard v Thai-Son Kwiatkowski | 7-5,3-6,2-6 |
| Challenger Little Rock | 2021/06/02 20:40 | Stefan Kozlov v Thai-Son Kwiatkowski | 2-6,1-6 |
| Franska öppna | 2021/05/26 12:20 | Francisco Cerundolo v Thai-Son Kwiatkowski | 6-7,6-4,7-6 |
| Franska öppna | 2021/05/25 12:15 | Constant Lestienne v Thai-Son Kwiatkowski | 2-6,2-6 |
| Challenger Biella | 2021/05/20 11:25 | Thai-Son Kwiatkowski v Zhizhen Zhang | 4-6,6-7 |
| Challenger Biella | 2021/05/19 11:40 | Thai-Son Kwiatkowski v Ulises Blanch | 6-4,7-6 |
| Challenger Biella | 2021/05/17 14:50 | Dmitry Popko v Thai-Son Kwiatkowski | 2-6,6-1,6-7 |
| ITF M25 - Prag | 2021/05/14 11:10 | Thai-Son Kwiatkowski v Jack Draper | 3-6,5-7 |