Wilson Ultra 99 Pro against Yonex Percept 97 — specs, our 0–10 scores and who plays each one on tour. Every number here comes from the frame catalogue.
| Spec | Wilson Ultra 99 Pro | Yonex Percept 97 |
|---|---|---|
| Weight (unstrung) | 305g | 305g |
| Head Size | 99 sq in | 97 sq in |
| Balance | Head Light | Head Light |
| String Pattern | 16x18 | 16x19 |
| Swingweight | 330 | 316 |
| RA Stiffness | 69 | 60 |
| Strung Weight | 323g | 330g |
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