Federico Delbonis defeated Grigor Dimitrov 1-6 6-4 6-2 in the Geneva round of 32 on clay. The upset overturned the form book — Grigor Dimitrov came in leading the head-to-head 2–0, but Federico Delbonis had been the form player, winning 2 of their last 6 on clay. Federico Delbonis claimed a first win over Grigor Dimitrov in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-03-21 | Miami Masters | R64 | hard | Grigor Dimitrov | 7-6(8) 4-6 6-4 |
| 2015-06-29 | Wimbledon | R128 | grass | Grigor Dimitrov | 6-3 6-0 6-4 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.