Stadium: Center Round: 24 Ground: Hardcourt outdoor
| Challenger Jinan | 2019/09/05 03:00 | Di Wu v Go Soeda | 2-6,1-6 |
| Challenger Jinan | 2019/09/03 06:30 | Hiroki Moriya v Di Wu | 3-6,5-7 |
| Challenger Jinan | 2019/09/02 04:30 | Di Wu v Collin Altamirano | 6-4,6-4 |
| Challenger Baotou | 2019/08/27 07:05 | Tung-Lin Wu v Di Wu | 3-6,6-1,7-5 |
| Challenger Baotou | 2019/08/26 02:00 | Jacob Grills v Di Wu | 6-7,4-6 |
| Challenger Chengdu | 2019/08/01 03:00 | Di Wu v Hyeon Chung | 6-7,7-6,3-6 |
| Challenger Chengdu | 2019/07/30 06:55 | Di Wu v Chuhan Wang | 6-3,6-3 |
| Challenger Fergana | 2019/06/20 08:35 | Di Wu v Gleb Sakharov | 3-6,6-7 |
| Challenger Jinan | 2019/09/02 07:40 | Igor Sijsling v Goncalo Oliveira | 3-6,2-6 |
| Challenger Portoroz | 2019/08/13 08:00 | Igor Sijsling v Carlos Gomez-Herrera | 2-6,3-6 |
| ITF M25 Chiswick | 2019/08/11 10:00 | Jack Draper v Igor Sijsling | 6-4,2-6,6-3 |
| ITF M25 Chiswick | 2019/08/10 12:30 | Anton Matusevich v Igor Sijsling | 6-4,1-6,4-6 |
| ITF M25 Chiswick | 2019/08/09 10:30 | Quentin Robert v Igor Sijsling | 6-2,3-6,1-6 |
| ITF M25 Chiswick | 2019/08/08 13:25 | Charles Broom v Igor Sijsling | 7-6,3-6,6-7 |
| ITF M25 Chiswick | 2019/08/07 10:30 | Emile Hudd v Igor Sijsling | 7-6,3-6,1-6 |
| ITF M25 Dublin | 2019/08/04 14:30 | Igor Sijsling v Ryan Peniston | 6-4,7-6 |