John Wolf Jeffrey
USA · 27 years
Rank 218 as of 22 Sep 2026
2026 season
| Surface | W-L |
|---|---|
| Clay | 1-3 |
| Hard | 12-6 |
| Total | 13-9 |
Serve and return
First serve points won
74%
75%
Return points won
39%
39%
Aces per 10 service games
4.9
5.0
Double faults per 10 service games
2.1
2.0
Match rating · last 10
Last 10 matches
| Date | Tournament | Opponent | Form |
|---|---|---|---|
| 22 Sep 2026 | San Diego 2 R32 | Darwin Blanch | L |
| 18 Sep 2026 | Tiburon QF | Sebastian Gorzny | W |
| 16 Sep 2026 | Tiburon R16 | Braden Shick | W |
| 14 Sep 2026 | Tiburon R32 | Emanuel Ambrogi Luciano | W |
| 31 Aug 2026 | Us Open R128 | Alexander Bublik | L |
| 14 Aug 2026 | Cincinnati R128 | James Duckworth | L |
| 13 Aug 2026 | Cincinnati Qualifying | Sho Shimabukuro | W |
| 12 Aug 2026 | Cincinnati Qualifying | Shintaro Mochizuki | W |
| 02 Aug 2026 | Vancouver F | Mark Lajal | W |
| 31 Jul 2026 | Vancouver QF | Hayato Matsuoka | W |