| 2023-09-20 | Chengdu | Hard | R32 | 52 |  Dusan Lajovic | 172 |  Zizou Bergs (WC) | 6-4 1-6 6-3 | H2H | 3 | 102 | 0 | 1 | 88.4% | 72.1% | 62.5% | 2/4 |
| 2023-07-17 | Gstaad | Clay | QF | 44 | Miomir Kecmanovic (2) | 175 | Zizou Bergs (Q) | 6-4 3-6 7-5 | H2H | 3 | 154 | 3 | 3 | 58.6% | 68.6% | 52.8% | 7/11 |
| 2023-07-17 | Gstaad | Clay | R16 | 175 | Zizou Bergs (Q) | 118 |  Jurij Rodionov (Q) | 7-6(8) 4-6 7-6(4) | H2H | 3 | 174 | 8 | 4 | 67.5% | 72.2% | 57.9% | 5/7 |
| 2023-07-17 | Gstaad | Clay | R32 | 175 | Zizou Bergs (Q) | 55 | Laslo Djere (8) | 6-0 4-6 6-3 | H2H | 3 | 114 | 11 | 2 | 64.1% | 78.0% | 53.6% | 2/3 |
| 2023-04-03 | Houston | Clay | R16 | 74 |  Cristian Garin | 167 | Zizou Bergs (LL) | 7-6(4) 7-6(1) | H2H | 3 | 127 | 5 | 2 | 64.4% | 65.5% | 62.5% | 2/4 |
| 2023-03-20 | Miami Masters | Hard | R128 | 94 |  Thanasi Kokkinakis (LL) | 135 | Zizou Bergs (WC) | 4-6 6-3 7-6(7) | H2H | 3 | 149 | 11 | 1 | 66.7% | 74.2% | 54.5% | 3/5 |
| 2023-02-20 | Marseille | Hard | R32 | 105 |  Stan Wawrinka | 132 | Zizou Bergs | 6-4 6-7(6) 6-4 | H2H | 3 | 151 | 12 | 2 | 67.0% | 76.8% | 64.7% | 7/7 |
| 2023-02-04 | Davis Cup QLS R1: BEL vs KOR | Hard | RR | 115 | Zizou Bergs | 61 |  Soonwoo Kwon | 1-6 6-4 7-6(6) | H2H | 3 | - | - | - | - | - | - | - |
| 2023-02-04 | Davis Cup QLS R1: BEL vs KOR | Hard | RR | 237 | Seongchan Hong | 115 | Zizou Bergs | 6-3 7-6(4) | H2H | 3 | - | - | - | - | - | - | - |
| 2023-01-16 | Australian Open | Hard | R128 | 68 | Laslo Djere | 130 | Zizou Bergs (Q) | 6-4 1-6 6-4 6-1 | H2H | 5 | 158 | 7 | 1 | 56.9% | 67.2% | 54.5% | 5/9 |
