Stadium: CLAY C3 Round: 25 Ground: Clay
| ITF M15 - Antalya | 2019/12/12 10:40 | Richard Zusman v Kuzey Cekirge | 2-6,1-6 |
| ITF M15 - Castellon | 2019/11/05 16:10 | Richard Zusman v Carlos Gimeno Valero | 4-6,1-6 |
| ITF M15 - Nules | 2019/10/30 15:30 | Richard Zusman v Luis Faria | 2-6,0-6 |
| ITF M15 - Benicarlo | 2019/10/23 11:50 | Richard Zusman v Pablo Llamas Ruiz | 1-6,1-6 |
| ITF M15 Irpin | 2019/05/28 08:25 | Richard Zusman v Sagadat Ayap | 1-6,4-6 |
| ITF M15 Irpin | 2019/05/21 07:00 | Richard Zusman v Denis Parshutin | 6-7,4-6 |
| ITF M15 - Valldoreix | 2019/05/15 10:30 | Michiel de Krom v Richard Zusman | 6-2,6-2 |
| ITF M15 Las Palmas | 2019/05/07 11:00 | Richard Zusman v Cameron Henricy Trigolos | 6-3,1-6,4-6 |
| ITF M15 - Antalya | 2019/12/10 11:00 | Igor Sijsling v Gorazd Srbljak | 6-4,6-4 |
| Challenger - Helsinki | 2019/11/12 14:35 | Jaroslav Pospisil v Igor Sijsling | 7-5,6-2 |
| 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 |