Face à face
| Challenger Casablanca | 2016/10/11 10:00 | Ungur, Adrian v Kamil Majchrzak | 5-7,3-6 |
Home History
| Coupe Davis | 2018/09/15 11:30 | Ungur, Adrian v Hubert Hurkacz | 6-7,5-7 |
| ITF Romania F8 | 2018/08/08 08:50 | Turcu, Mihnea Lorin Stefan v Ungur, Adrian | 0-6,2-6 |
| Coupe Davis | 2018/04/07 09:55 | Ungur, Adrian v Ouahab, Lamine | 6-0,7-6 |
| Rome II, Italy | 2017/09/28 13:35 | Ungur, Adrian v Gimeno-Traver, Daniel | 6-7,5-7 |
| Rome II, Italy | 2017/09/26 12:35 | Carli, Christian v Ungur, Adrian | 7-6,0-6,2-6 |
| Challenger Sibiu | 2017/09/23 09:55 | Ungur, Adrian v Carlos Taberner | 3-6,0-6 |
| Challenger Sibiu | 2017/09/22 09:45 | Stefano Travaglia v Ungur, Adrian | 3-6,1-6 |
| Challenger Sibiu | 2017/09/20 11:30 | Ungur, Adrian v Marco Cecchinato | 7-5,6-3 |
Away History
| Coupe Davis | 2018/09/15 10:00 | Marius Copil v Kamil Majchrzak | 6-2,6-4 |
| Challenger Seville | 2018/09/05 09:00 | Kimmer Coppejans v Kamil Majchrzak | 3-6,7-6,6-2 |
| Challenger Seville | 2018/09/03 10:00 | Nedelko, Ivan v Kamil Majchrzak | 4-6,3-6 |
| US Open, New York, USA | 2018/08/23 21:40 | Granollers, Marcel v Kamil Majchrzak | 6-3,6-3 |
| US Open, New York, USA | 2018/08/22 20:55 | Kamil Majchrzak v Pavlasek, Adam | 2-6,6-1,6-3 |
| Pullach, Germany | 2018/08/08 16:50 | Kamil Majchrzak v Martin Klizan | 3-6,3-6 |
| Pullach, Germany | 2018/08/07 12:45 | Kamil Majchrzak v Bachinger, Matthias | 6-3,6-4 |
| Sopot, Pologne | 2018/07/31 12:05 | Pedro Cachin v Kamil Majchrzak | 7-6,6-1 |