John Yuill
W-L: 3-7 (30.00%)
Matches in 1979
| Date ▼ | Tourney | Surface | Round | Wrk | Winner | Lrk | Loser | Score | H2H | BoF | Min | WA | WDF | W1stIn | W1st% | W2nd% | BPSvd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1979-09-24 | Madrid | Clay | R64 | 107 |  Louk Sanders | 170 | John Yuill | 6-0 6-2 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-09-17 | Palermo | Clay | R32 | 43 |  Buster C. Mottram (4) | 159 | John Yuill | 6-2 6-0 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-08-20 | Boston | Clay | R64 | 69 |  Jan Kodes (16) | 159 | John Yuill | 7-6 3-6 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-08-13 | Cleveland | Hard | QF | 24 |  Ilie Nastase (3) | 156 | John Yuill | 7-5 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-08-13 | Cleveland | Hard | R16 | 156 | John Yuill | 232 | Robin Drysdale | 7-5 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-08-13 | Cleveland | Hard | R32 | 156 | John Yuill | 68 |  Tom Gorman (6) | 6-4 6-4 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-08-06 | Columbus | Clay | R16 | 13 | Brian Gottfried (2) | 170 | John Yuill | 6-2 6-0 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-08-06 | Columbus | Clay | R32 | 170 | John Yuill | 230 | Rocky Maguire | 6-1 7-6 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-07-30 | North Conway | Clay | R64 | 79 |  Ivan Molina | 166 | John Yuill | 6-4 6-3 | H2H | 3 | - | - | - | - | - | - | - |
| 1979-07-23 | Kitzbuhel | Clay | R32 | 102 | Pavel Slozil | 166 | John Yuill | 4-6 7-6 7-6 | H2H | 3 | - | - | - | - | - | - | - |
Matches — 1979