Karlo Kajin
- Country
- Croatia
- Date of birth
- 1999-10-28
- Ranking ATP
- 1454 · 5 points
- Ranking ATP (doubles)
- 647 · 78 points
- Season 2026
- 0–2
Recent matches
| Date | Tournament | Round | Opponent | Score | Result |
|---|---|---|---|---|---|
| 2026-09-30 | Sibenik | R32 | Samuele Seghetti | 4-6 2-6 | lost |
| 2026-03-16 | Zadar Open | Q1 | Laurent Lokoli | 3-6 1-6 | lost |