Stadium: Court 4 Round: 62 Ground: Clay
| Adriatic Tennis Series | 2020/06/09 09:20 | Damir Dzumhur v Luka Petrovic | 6-1,6-0 |
| ITF Great Britain F4 | 2018/09/09 09:00 | Luka Petrovic v Alexander Maggs | 3-6,6-7 |
| ITF M25 Prague | 2020/09/13 08:00 | Lukas Krainer v Tadeas Paroulek | 4-6,6-1,8-10 |
| ITF M15 Anif | 2020/08/23 12:00 | Alexander Shevchenko v Lukas Krainer | 6-2,6-7,11-9 |
| ITF M15 Anif | 2020/08/23 07:00 | Lukas Krainer v Tim Handel | 6-3,6-4 |
| ITF M25 Vogau | 2020/08/19 11:40 | Lukas Krainer v Nino Serdarusic | 3-6,3-6 |
| Austrian OTV Series | 2020/07/30 09:30 | David Pichler v Lukas Krainer | 6-3,2-6,4-6 |
| Austrian Tennis Championship | 2020/07/29 14:40 | Sandro Kopp v Lukas Krainer | 6-4,6-4 |
| Austrian Tennis Championship | 2020/07/28 14:05 | Lenny Hampel v Lukas Krainer | 7-6,4-6,6-3 |
| Austrian Tennis Championship | 2020/07/27 08:00 | Neil Oberleitner v Lukas Krainer | 0-6,1-6 |