Danylo Kalenichenko defeated Ivan Sabanov 6-4 6-3 in the Nigeria F1 round of 16 on hard. The upset overturned the form book — Ivan Sabanov came in leading the head-to-head 1–0, but Danylo Kalenichenko had been the form player, winning 4 of their last 7 on hard. Danylo Kalenichenko claimed a first win over Ivan Sabanov in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-08-26 | Croatia F9 | R32 | clay | Ivan Sabanov | 7-5 6-2 |
Averages over each player's completed matches in the selected window (119 vs 10). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About