Kirill Kivattsev defeated Andrea Guerrieri 7-5 6-2 in the M15 Velenje 1 round of 32 on clay. The upset overturned the form book — Andrea Guerrieri came in ranked #213, leading the head-to-head 1–0. Kirill Kivattsev claimed a first win over Andrea Guerrieri in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-04-11 | M25 Santa Margherita di Pula 3 | QF | clay | Andrea Guerrieri | 6-3 2-6 6-4 |
Averages over each player's completed matches in the selected window (46 vs 70). 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