Stadium: Centre Court Round: 28 Ground: Hardcourt indoor
| Challenger Taipei | 2019/04/12 07:20 | Tatsuma Ito v Sergiy Stakhovsky | 6-7,7-6,4-6 |
| Challenger Taipei | 2019/04/11 05:00 | Maxime Janvier v Sergiy Stakhovsky | 5-7,4-6 |
| Challenger Taipei | 2019/04/10 06:45 | Stephane Robert v Sergiy Stakhovsky | 6-7,2-6 |
| Challenger St Brieuc | 2019/03/26 20:05 | Maxime Janvier v Sergiy Stakhovsky | 6-3,7-6 |
| Challenger St Brieuc | 2019/03/25 09:00 | Sergiy Stakhovsky v Yannick Mertens | 6-3,6-4 |
| Challenger Lille | 2019/03/20 17:30 | Aslan Karatsev v Sergiy Stakhovsky | 6-3,6-4 |
| Challenger Pau | 2019/02/26 19:30 | Norbert Gombos v Sergiy Stakhovsky | 7-6,4-6,6-1 |
| ATP Marseille | 2019/02/22 18:00 | Stefanos Tsitsipas v Sergiy Stakhovsky | 6-4,6-3 |
| Challenger Taipei | 2019/04/12 05:45 | Jason Jung v Go Soeda | 6-7,1-6 |
| Challenger Taipei | 2019/04/11 10:15 | Andrew Harris v Go Soeda | 2-6,3-6 |
| Challenger Taipei | 2019/04/09 06:25 | Go Soeda v Evgeny Donskoy | 4-6,6-4,7-6 |
| Challenger Taipei | 2019/04/08 07:20 | Go Soeda v Yasutaka Uchiyama | 6-7,6-4,6-2 |
| Challenger Zhangjiagang | 2019/03/20 04:20 | Go Soeda v Max Purcell | 6-4,6-7,1-6 |
| Challenger Shenzhen | 2019/03/12 06:00 | Go Soeda v Blaz Rola | 4-6,3-6 |
| Challenger Shenzhen | 2019/03/11 06:15 | Raul Brancaccio v Go Soeda | 6-7,3-6 |
| Challenger Yokohama | 2019/02/28 06:35 | Go Soeda v Gianluca Mager | 6-3,5-7,5-7 |