| Challenger Series TT | 11/14 09:00 | - | Matthias Danzer v Andrii Ostrovskyi | L | 3-0 | |
| Challenger Series TT | 11/14 08:00 | - | Andrii Ostrovskyi v Luis Kraus | L | 0-3 | |
| Challenger Series TT | 11/14 08:00 | - | Andrii Ostrovskyi v Marco Stefanidis | - | Cancelled | |
| Challenger Series TT | 11/13 16:30 | - | Akos Kishegyi v Andrii Ostrovskyi | L | 3-1 | |
| Challenger Series TT | 11/13 14:30 | - |
Guilherme Teodoro
v
Andrii Ostrovskyi |
L | 3-1 | |
| Challenger Series TT | 11/13 13:00 | - |
Joon Shim
v
Andrii Ostrovskyi |
L | 3-1 | |
| Challenger Series TT | 11/13 10:00 | - | Damian Zech v Andrii Ostrovskyi | W | 0-3 | |
| Challenger Series TT | 11/13 10:00 | - | Kestutis Zeimys v Andrii Ostrovskyi | - | Cancelled | |
| Challenger Series TT | 11/13 08:00 | - | Pylyp Koloidenko v Andrii Ostrovskyi | W | 0-3 | |
| Challenger Series TT | 06/10 08:00 | - | Karl Walter v Andrii Ostrovskyi | L | 3-0 | |
| Challenger Series TT | 06/09 17:00 | - | Olav Kosolosky v Andrii Ostrovskyi | L | 3-0 | |
| Challenger Series TT | 06/09 15:30 | - | Andrii Ostrovskyi v Johannes Willeke | L | 1-3 | |
| Challenger Series TT | 06/09 13:00 | - | Andrii Ostrovskyi v Enio Mendes | L | 0-3 | |
| Challenger Series TT | 06/09 11:30 | - | Pylyp Koloidenko v Andrii Ostrovskyi | W | 1-3 | |
| Challenger Series TT | 06/09 09:30 | - | Karl Zimmermann v Andrii Ostrovskyi | W | 0-3 | |
| Challenger Series TT | 06/09 07:30 | - |
Rafael Turrini
v
Andrii Ostrovskyi |
L | 3-0 |
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