Mikhail Fufygin defeated Sergey Betov 6-2 2-6 6-3 in the Kazakhstan F8 qualifying round on hard. The upset overturned the form book — Sergey Betov came in leading the head-to-head 3–1, but Mikhail Fufygin had been the form player, winning 4 of their last 8 on hard. Mikhail Fufygin narrowed the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-12 | Russia F3 | R16 | hard | Sergey Betov | 1-6 7-5 6-1 |
| 2013-05-20 | Russia F7 | R16 | clay | Sergey Betov | 6-3 5-7 6-2 |
| 2013-04-15 | Uzbekistan F1 | R32 | hard | Mikhail Fufygin | 6-1 6-4 |
| 2009-08-31 | Russia F7 | R16 | clay | Sergey Betov | 6-3 6-2 |
Averages over each player's completed matches in the selected window (117 vs 109). 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