Anton Zaitsev defeated Mikhail Elgin 6-7 6-4 6-4 in the Russia F6 qualifying round on clay. The upset overturned the form book — Mikhail Elgin came in leading the head-to-head 3–0. Anton Zaitsev claimed a first win over Mikhail Elgin in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2017-08-14 | Russia F7 | SF | clay | Mikhail Elgin | 6-2 4-6 6-4 |
| 2015-09-07 | Russia F8 | SF | clay | Mikhail Elgin | 6-3 6-1 |
| 2015-01-26 | Kazakhstan F2 | R16 | hard | Mikhail Elgin | 6-4 6-3 |
Averages over each player's completed matches in the selected window (3 vs 33). 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