Roger Federer defeated Nicolas Kiefer 6-3 5-7 6-0 6-2 in the Australian Open semi-final on hard. The result followed the form book — Roger Federer came in leading the head-to-head 11–3, defending last year's semi-final. Roger Federer extended the head-to-head to 12–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2009-03-25 | Miami Masters | R32 | hard | Roger Federer | 6-4 6-1 |
| 2008-06-09 | Halle | SF | grass | Roger Federer | 6-1 6-4 |
| 2007-10-22 | Basel | QF | hard | Roger Federer | 6-3 6-2 |
| 2007-10-15 | Madrid Masters | SF | clay | Roger Federer | 6-4 6-4 |
| 2005-08-29 | US Open | R16 | hard | Roger Federer | 6-4 6-7(3) 6-3 6-4 |
| 2005-08-15 | Cincinnati Masters | R32 | hard | Roger Federer | 4-6 6-4 6-4 |
| 2005-06-20 | Wimbledon | R32 | grass | Roger Federer | 6-2 6-7(5) 6-1 7-5 |
| 2005-03-07 | Indian Wells Masters | QF | hard | Roger Federer | 6-4 6-1 |
| 2004-05-24 | Roland Garros | R64 | clay | Roger Federer | 6-3 6-4 7-6(6) |
| 2003-06-09 | Halle | F | grass | Roger Federer | 6-1 6-3 |
| 2002-06-10 | Halle | SF | grass | Nicolas Kiefer | 4-6 6-4 6-4 |
| 2001-10-01 | Moscow | R32 | hard | Nicolas Kiefer | 6-3 1-6 7-6(4) |
| 2001-03-12 | Indian Wells Masters | R64 | hard | Nicolas Kiefer | 3-6 7-5 6-1 |
| 2000-02-21 | London | R32 | carpet | Roger Federer | 6-2 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 122). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About