Stadium: Opatija 3 Round: 25 Ground: Clay
| ITF M25 Rovinj | 2022/03/14 12:00 | Tim Heger v Andre Biro | 4-6,2-6 |
| ITF M25 Rovinj | 2022/03/13 12:00 | Tim Heger v Benedikt Emesz | 4-6,7-6,10-8 |
| ITF M25 Poreč | 2022/03/06 11:00 | Lazar Milicevic v Tim Heger | 6-2,6-4 |
| ITF M15 Heráklion | 2021/11/08 09:00 | Jannik Maute v Tim Heger | 4-6,6-3,15-13 |
| ITF M15 Heráklion | 2021/11/04 08:30 | Tim Heger v Kyle Seelig | 6-4,4-6,5-7 |
| ITF M15 Heráklion | 2021/11/03 12:40 | Tim Heger v Raffael Schaer | 6-3,6-4 |
| ITF M25 Quinta Do Lago | 2021/10/19 10:30 | Harry Wendelken v Tim Heger | 6-1,4-6,10-8 |
| ITF M25 Quinta Do Lago | 2021/10/18 14:05 | Illia Stoliar v Tim Heger | 2-6,0-6 |
| ITF M25 Rovinj | 2022/03/16 12:30 | Petros Tsitsipas v Dalibor Svrcina | 1-6,0-6 |
| ITF M25 Poreč | 2022/03/09 10:45 | Bozo Barun v Petros Tsitsipas | 6-4,6-4 |
| Davis Cup | 2022/03/05 13:20 | Petros Tsitsipas v Rowland Phillips | 4-6,6-4,6-4 |
| Davis Cup | 2022/03/04 16:25 | Petros Tsitsipas v Blaise Bicknell | 3-6,5-7 |
| ITF M25 Antalya | 2022/02/20 07:00 | Tomislav Jotovski v Petros Tsitsipas | 7-5,1-6,10-5 |
| Challenger Forli | 2021/12/06 10:20 | Daniele Capecchi v Petros Tsitsipas | 7-6,6-3 |
| Challenger Forli - kvalifikace | 2021/12/05 12:10 | Carlo A Caniato v Petros Tsitsipas | 2-6,7-6,2-6 |
| ITF M15 Heráklion | 2021/12/01 10:40 | Petros Tsitsipas v Aristotelis Thanos | 1-6,0-6 |