Jonas Gundacker
- Country
- Austria
- Date of birth
- 2002-12-07
- Ranking ATP
- 1040 · 17 points
- Ranking ATP (doubles)
- 1346 · 20 points
- Season 2026
- 0–4; doubles 1–1
Recent matches
| Date | Tournament | Round | Opponent | Score | Result |
|---|---|---|---|---|---|
| 2026-09-29 | Sibenik | R32 | Nikita Mashtakov | 3-6 3-6 | lost |
| 2026-09-25 | Pardubice | R16 | Lukas Pokorny | 4-6 4-6 | lost |
| 2026-09-07 | Nö Open Powered By Evn | Q1 | Andrej Martin | 4-6 2-6 | lost |
| 2026-09-07 | Nö Open Powered By Evn | QF | Milos Karol / Andrew Paulson (with Gregor Hausberger) | 2-6 4-6 | lost |
| 2026-09-07 | Nö Open Powered By Evn | R16 | Hynek Barton / Vitaliy Sachko (with Gregor Hausberger) | 6-3 7-6 | won |
| 2026-04-27 | Danube Upper Austria Open powered by SKE | Q1 | Georgii Kravchenko | 2-6 2-6 | lost |