Kei Nishikori defeated Marcos Baghdatis 6-2 6-2 in the Tokyo semi-final on hard. The upset overturned the form book — Marcos Baghdatis came in leading the head-to-head 4–0, defending last year's round of 32. Kei Nishikori claimed a first win over Marcos Baghdatis in five meetings, narrowing the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2013-07-29 | Washington | R16 | hard | Marcos Baghdatis | 6-1 6-2 |
| 2012-01-01 | Brisbane | R16 | hard | Marcos Baghdatis | 6-3 6-4 |
| 2010-09-27 | Kuala Lumpur | R32 | hard | Marcos Baghdatis | 6-1 6-1 |
| 2009-02-16 | Memphis | R32 | hard | Marcos Baghdatis | 7-5 6-3 |
Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.