federer's serve percentage
4
triples
GPTKB property
Random triples
| Subject | Object |
|---|---|
| gptkb:2015_US_Open_Final | 62% |
| gptkb:2008_Wimbledon_final | 58% |
| gptkb:2007_US_Open_final | 65% |
| gptkb:Nadal_vs_Federer_2008 | 59% |