H. Dellien is a professional tennis player with a 2026 season record of 1-2.
| Opponent | Score | Round | Tournament | Date | |
|---|---|---|---|---|---|
| L | l. to Valentin Royer | 6-4 6-2 6-2 | Round of 128 | French Open 2026 | May 24 |
| L | l. to D. Lajovic | 3-6, 7-6(3), 6-1 | Final | ATP Rio de Janeiro 2026 | Feb 14 |
| L | l. to Francisco Cerundolo | 2 - 0 | 1/8-finals | ATP Buenos Aires | Feb 12 |
| W | d. Damir Dzumhur | 0 - 2 | 1/16-finals | ATP Buenos Aires | Feb 9 |
| L | l. to Kamil Majchrzak | 1 - 3 | 1/64-finals | US Open | Aug 25 |
| L | l. to Reilly Opelka | 0 - 2 | 1/64-finals | Cincinnati | Aug 8 |
Valentin Royer ended his 10-match losing streak with a commanding 6-4, 6-2, 6-2 victory over Hugo Dellien in the French Open first…
Dusan Lajovic defeated Hugo Dellien 3-6, 7-6(3), 6-1 in the ATP Rio de Janeiro semifinals, storming back after dropping the opening set…
