| 2026-05-27 | Roland Garros | Clay | R64 | 106 | Jesper de Jong (LL) | 238 | Federico Cina (Q) | 6-3 6-1 6-3 | H2H | 5 | 110 | 11 | 3 | 66.7% | 70.0% | 68.0% | 5/6 |
| 2026-05-25 | Roland Garros | Clay | R128 | 106 | Jesper de Jong (LL) | 113 | Stan Wawrinka | 6-3 3-6 6-3 6-4 | H2H | 5 | 184 | 10 | 4 | 90.7% | 71.0% | 27.3% | 9/11 |
| 2026-05-06 | Rome Masters | Clay | R128 | 52 | Nuno Borges | 102 | Jesper de Jong | 6-3 6-0 | H2H | 3 | 61 | 4 | 1 | 60.5% | 91.3% | 53.3% | 1/1 |
| 2026-04-22 | Madrid Masters | Clay | R128 | 42 | Rafael Jodar | 109 | Jesper de Jong | 2-6 7-5 6-4 | H2H | 3 | 151 | 5 | 3 | 57.9% | 67.7% | 37.8% | 5/10 |
| 2026-03-30 | Marrakech | Clay | R32 | 61 | Yannick Hanfmann (8) | 99 | Jesper de Jong | 7-6(6) 6-4 | H2H | 3 | 101 | 7 | 1 | 69.4% | 90.7% | 52.6% | 1/2 |
| 2026-02-18 | Doha | Hard | R32 | 14 | Andrey Rublev (5) | 86 | Jesper de Jong | 6-4 6-3 | H2H | 3 | 78 | 4 | 2 | 63.0% | 64.7% | 50.0% | 2/4 |
| 2026-02-11 | Rotterdam | Hard | R32 | 18 | Karen Khachanov (5) | 86 | Jesper de Jong | 3-6 6-4 7-5 | H2H | 3 | 143 | 10 | 2 | 62.1% | 75.9% | 60.6% | 4/6 |
| 2026-02-06 | Davis Cup QLS R1: IND vs NED | Hard | RR | 465 | Dhakshineswar Suresh | 88 | Jesper de Jong | 6-4 7-5 | H2H | 3 | 88 | 9 | 3 | 54.8% | 82.4% | 64.3% | 1/1 |
| 2026-02-06 | Davis Cup QLS R1: IND vs NED | Hard | RR | 88 | Jesper de Jong | 281 | Sumit Nagal | 5-7 6-1 6-4 | H2H | 3 | 172 | 10 | 5 | 51.7% | 78.3% | 44.2% | 6/10 |
| 2026-01-19 | Australian Open | Hard | R128 | 12 | Daniil Medvedev (11) | 73 | Jesper de Jong | 7-5 6-2 7-6(2) | H2H | 5 | 175 | 9 | 5 | 69.4% | 75.3% | 32.4% | 6/10 |