John Millman defeated Gilles Muller 4-6 6-4 6-2 4-6 7-5 in the Australian Open round of 64 on hard. The upset overturned the form book — Gilles Muller came in leading the head-to-head 2–1, defending last year's round of 16, but John Millman had been the form player, winning 2 of their last 4 on hard. John Millman narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-06-25 | Eastbourne | R32 | grass | John Millman | 6-7(5) 6-3 6-2 |
| 2018-01-08 | Sydney | R16 | hard | Gilles Muller | 7-6(5) 6-4 |
| 2015-10-19 | Stockholm | R16 | hard | Gilles Muller | 7-5 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 138). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About