Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M15 - Doha | 2019/12/11 12:10 | Matija Pecotic v Aleksandre Bakshi | 6-4,6-7,6-4 |
| ITF M15 - Heraklion | 2019/12/04 12:15 | Tom Kocevar-Desman v Matija Pecotic | 7-6,6-2 |
| ITF M15 - Heraklion | 2019/12/01 10:00 | Artem Smirnov v Matija Pecotic | 3-6,5-7 |
| ITF M15 - Heraklion | 2019/11/30 08:30 | Yshai Oliel v Matija Pecotic | 4-6,2-6 |
| ITF M15 - Heraklion | 2019/11/29 11:45 | Uisung Park v Matija Pecotic | 0-6,1-6 |
| ITF M15 - Heraklion | 2019/11/28 09:30 | Lenny Hampel v Matija Pecotic | 6-3,4-6,2-6 |
| ITF M15 - Heraklion | 2019/11/27 09:30 | Christos Keisidis v Matija Pecotic | 1-6,0-6 |
| ITF M15 - Heraklion | 2019/11/23 10:40 | Bogdan Bobrov v Matija Pecotic | 6-2,6-3 |
| ITF M15 - Doha | 2019/12/11 10:00 | Mousa Shanan Zayed v Harry Wendelken | 1-6,4-6 |
| ITF M25 - Falun | 2019/09/30 10:15 | Lucas Renard v Harry Wendelken | 6-1,7-6 |
| ITF M25 - Falun | 2019/09/29 11:00 | Harry Wendelken v Dzianis Zharyn | 2-6,6-3,10-4 |
| ITF M25 Stockholm | 2019/09/25 13:10 | Harry Wendelken v Sam Taylor | 7-6,2-6,4-6 |
| Challenger - Glasgow | 2019/09/17 12:10 | Jonathan Mridha v Harry Wendelken | 7-6,6-3 |
| ITF M25 Chiswick | 2019/08/06 13:50 | Harry Wendelken v Erik Crepaldi | 6-3,3-6,4-6 |
| ITF M25 - Roehampton | 2019/07/31 08:30 | Antoine Cornut-Chauvinc v Harry Wendelken | 6-3,6-7,6-3 |
| ITF M25 - Roehampton | 2019/07/29 15:00 | Martins Rocens v Harry Wendelken | 2-6,5-7 |