Victoria Azarenka defeated Agnieszka Radwanska 6-1 6-3 in the Stuttgart semi-final on clay. The result followed the form book — Victoria Azarenka came in leading the head-to-head 13–5, defending last year's round of 16. Victoria Azarenka extended the head-to-head to 14–5.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2018-03-19 | Miami | R16 | hard | Victoria Azarenka | 6-2 6-2 |
| 2014-08-04 | Montreal | QF | hard | Agnieszka Radwanska | 6-2 6-2 |
| 2014-01-13 | Australian Open | QF | hard | Agnieszka Radwanska | 6-1 5-7 6-0 |
| 2013-02-11 | Doha | SF | hard | Victoria Azarenka | 6-3 6-3 |
| 2012-05-07 | Madrid | SF | clay | Victoria Azarenka | 6-2 6-4 |
| 2012-03-05 | Indian Wells | QF | hard | Victoria Azarenka | 6-0 6-2 |
| 2012-02-13 | Doha | SF | hard | Victoria Azarenka | 6-2 6-4 |
| 2012-01-16 | Australian Open | QF | hard | Victoria Azarenka | 6-7(0) 6-0 6-2 |
| 2012-01-09 | Sydney | SF | hard | Victoria Azarenka | 1-6 6-3 6-2 |
| 2011-09-26 | Tokyo | SF | hard | Agnieszka Radwanska | 6-3 4-6 6-2 |
| 2011-03-07 | Indian Wells | R16 | hard | Victoria Azarenka | 4-6 6-3 7-6(3) |
| 2011-02-05 | Fed Cup G1 PO: BLR vs POL | RR | hard | Victoria Azarenka | 7-5 7-5 |
| 2010-06-14 | Eastbourne | R32 | grass | Victoria Azarenka | 7-6(2) 6-1 |
| 2010-02-15 | Dubai | SF | hard | Victoria Azarenka | 6-3 6-4 |
| 2009-10-26 | WTA Tour Championships | RR | carpet | Agnieszka Radwanska | 4-6 7-5 4-1 RET |
| 2008-09-29 | Stuttgart | R16 | clay | Victoria Azarenka | 6-1 7-5 |
| 2007-09-24 | Luxembourg | R32 | hard | Victoria Azarenka | 4-6 7-5 6-1 |
| 2006-06-26 | Wimbledon | R128 | grass | Agnieszka Radwanska | 7-5 6-4 |
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 (195 vs 198). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About