Coco Vandeweghe defeated Jelena Jankovic 7-6 2-6 7-5 in the Montreal round of 16 on hard. The upset overturned the form book — Jelena Jankovic came in leading the head-to-head 4–2. Coco Vandeweghe narrowed the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-03-07 | Indian Wells | R32 | hard | Jelena Jankovic | 6-0 6-1 |
| 2016-01-11 | Sydney | R32 | hard | Jelena Jankovic | 6-3 6-4 |
| 2014-09-22 | Wuhan | R32 | hard | Coco Vandeweghe | 4-1 RET |
| 2012-07-09 | Stanford | R16 | hard | Coco Vandeweghe | 6-4 6-2 |
| 2011-03-07 | Indian Wells | R64 | hard | Jelena Jankovic | 6-2 6-1 |
| 2008-08-25 | US Open | R128 | hard | Jelena Jankovic | 6-3 6-1 |
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 165). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About