Ivo Karlovic defeated Novak Djokovic 6-7(2) 7-6(6) 6-4 in the 2015 Qatar Open quarterfinal on hard courts.
Match Statistics
| Stat | Ivo Karlovic | Novak Djokovic |
| Aces | 21 | 11 |
| Double faults | 3 | 2 |
| First serve % | 74 | 72 |
| First serve points won % | 85 | 75 |
| Second serve points won % | 50 | 61 |
| Break points saved % | — | 75 |
| Break points converted % | 25 | — |
| Service points won % | 76 | 71 |
| Return points won % | 29 | 24 |
| Total points won % | 51 | 49 |
Player Comparison
| Field | Ivo Karlovic | Novak Djokovic |
| Country |
CRO
|
SRB
|
| Birth date | Feb 28, 1979 | May 22, 1987 |
| Age | 35 | 27 |
| Height | 211 cm | 188 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | — | Two-Handed Backhand |
| Ranking (entering) | 27 | 1 |
| Ranking points (entering) | 1,320 | 11,360 |
| Elo (entering) | 1,874 | 2,451 |
| Current career W-L | 363–335 | 1,141–231 |
| Current career earnings | $10,160,232 | $194,691,590 |
Path
Ivo Karlovic's path
Ivo Karlovic's next match