Kei Nishikori defeated Sam Groth 6-4 6-4 in the 2015 Washington Open quarterfinal on hard courts.
Match Statistics
| Stat | Kei Nishikori | Sam Groth |
| Aces | 1 | 15 |
| Double faults | 4 | 4 |
| First serve % | 58 | 60 |
| First serve points won % | 79 | 80 |
| Second serve points won % | 61 | 44 |
| Break points saved % | 100 | 78 |
| Break points converted % | 22 | 0 |
| Service points won % | 71 | 66 |
| Return points won % | 34 | 29 |
| Total points won % | 53 | 47 |
Player Comparison
| Field | Kei Nishikori | Sam Groth |
| Country |
JPN
|
AUS
|
| Birth date | Dec 29, 1989 | Oct 19, 1987 |
| Age | 25 | 27 |
| Height | 178 cm | 193 cm |
| Handedness | Right-Handed | Right-Handed |
| Backhand style | Two-Handed Backhand | — |
| Ranking (entering) | 5 | 62 |
| Ranking points (entering) | 5,525 | 773 |
| Elo (entering) | 2,191 | 1,829 |
| Current career W-L | 436–232 | 36–58 |
| Current career earnings | $26,161,710 | $1,950,436 |
Path
Kei Nishikori's path
Kei Nishikori's next match