John McDonald
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Clark Graebner | 0 | 1 | 1 | Jun 23, 1971 | H2H |
| Bob Hewitt | 0 | 1 | 1 | Jul 10, 1970 | H2H |
| Ronan Fearon | 1 | 0 | 1 | Jul 9, 1970 | — |
| Joaquin Loyo Mayo | 0 | 1 | 1 | Jun 17, 1970 | — |
| Karl Meiler | 0 | 1 | 1 | May 13, 1970 | H2H |
H2H data updated: 2026-09-08 00:00 UTC
John McDonald vs Joaquin Loyo Mayo H2H: 0-1
Joaquin Loyo Mayo holds a 1–0 lead over John McDonald in their ATP head-to-head. Across 1 main-draw meeting, Joaquin Loyo Mayo leads 1–0 on grass. Most recently, Joaquin Loyo Mayo won the 1970 Queen's Club Championships round of 64 4-6 6-2 6-2.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Joaquin Loyo Mayo | 4-6 6-2 6-2 | John McDonald | Match data | Jun 17, 1970* | R64 | Queen's Club Championships | ATP 250 | Grass |
Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| John McDonald | — | — | — | 1,516 | 7 | 14 | 33.3% | 0 | 0 | 0 | 0 | 0 | 0 |
| Joaquin Loyo Mayo | — | — | — | 1,667 | — | — | — | 0 | 0 | 0 | 0 | 0 | 0 |
Career Progression by Age
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| John McDonald | Joaquin Loyo Mayo | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 4–7 | 36.4% | — | 1,457 | 0 | 0 | — | — | — | — | — | — | — |
| 1969 | 2–3 | 40.0% | — | 1,459 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 1–3 | 25.0% | — | 1,454 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 0–1 | 0.0% | — | 1,450 | 0 | 0 | — | — | — | — | — | — | — |
Surface Results by Career Season
Rows are aligned in career order because complete birth data is unavailable. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| John McDonald | Joaquin Loyo Mayo | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1968 | — | — | — | — | 2 | 4 | 6 | 33.3% | 0 | 1 | 1 | 0.0% | 2 | 2 | 4 | 50.0% | 1968 | 2 | 1 | 3 | 66.7% | 4 | 3 | 7 | 57.1% | 2 | 3 | 5 | 40.0% | — | — | — | — |
| 1969 | — | — | — | — | — | — | — | — | 2 | 3 | 5 | 40.0% | — | — | — | — | 1969 | 4 | 6 | 10 | 40.0% | — | — | — | — | 2 | 4 | 6 | 33.3% | — | — | — | — |
| 1970 | — | — | — | — | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 1970 | 3 | 7 | 10 | 30.0% | 4 | 8 | 12 | 33.3% | 3 | 4 | 7 | 42.9% | 0 | 1 | 1 | 0.0% |
| 1971 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | 1971 | 5 | 10 | 15 | 33.3% | 1 | 4 | 5 | 20.0% | 3 | 2 | 5 | 60.0% | 1 | 1 | 2 | 50.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1972 | 2 | 2 | 4 | 50.0% | 2 | 1 | 3 | 66.7% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1973 | 1 | 3 | 4 | 25.0% | 0 | 3 | 3 | 0.0% | 0 | 1 | 1 | 0.0% | 0 | 5 | 5 | 0.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1974 | 0 | 4 | 4 | 0.0% | 4 | 5 | 9 | 44.4% | 2 | 1 | 3 | 66.7% | 2 | 4 | 6 | 33.3% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1975 | 0 | 2 | 2 | 0.0% | 9 | 12 | 21 | 42.9% | 3 | 2 | 5 | 60.0% | 0 | 3 | 3 | 0.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 1 | 2 | 50.0% |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | — | — | — | — | 2 | 5 | 7 | 28.6% | 3 | 7 | 10 | 30.0% | 2 | 2 | 4 | 50.0% | Career | 17 | 35 | 52 | 32.7% | 24 | 37 | 61 | 39.3% | 15 | 18 | 33 | 45.5% | 4 | 15 | 19 | 21.1% |
Advanced Statistics Comparison by Career Season
Rows are aligned in career order because complete birth data is unavailable. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| John McDonald | Joaquin Loyo Mayo | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule |
| 1968 | 1458 | 93.8 | — | — | — | — | +76 | +15 | — | 39.3% | -1.04 | 1–1 | — | — | +0.26 | 1968 | 1562 | 109.4 | — | — | — | — | +5 | +8 | -19 | 50.0% | -0.19 | 3–2 (60%) | — | — | -0.40 |
| 1969 | 1460 | 100.7 | — | — | — | — | — | — | +44 | 41.7% | -0.67 | 1–1 | — | — | +0.26 | 1969 | 1556 | 104.5 | — | — | — | — | +40 | — | -20 | 42.1% | -0.74 | 1–2 (33%) | — | — | +0.27 |
| 1970 | 1455 | 101.9 | — | — | — | — | — | — | +41 | 33.3% | -1.44 | 0–1 | — | — | -0.06 | 1970 | 1567 | 117.5 | — | — | — | — | +23 | -47 | -6 | 32.1% | -1.28 | 5–3 (63%) | 2–3 (40%) | 101.6 | -1.14 |
| 1971 | 1451 | 104.9 | — | — | — | — | — | — | — | 0.0% | -3.33 | — | — | — | -0.17 | 1971 | 1632 | 119.2 | — | — | — | — | -36 | -125 | -10 | 41.3% | -0.57 | 3–3 (50%) | 1–4 (20%) | 99.8 | -0.83 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1972 | 1663 | 114.2 | — | — | — | — | -48 | -93 | — | 55.6% | +0.78 | 1–0 | 1–1 | — | +0.59 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1973 | 1548 | 118.9 | — | — | — | — | +8 | -36 | — | 28.9% | -1.50 | 1–7 (13%) | 4–4 (50%) | 93.8 | -1.36 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1974 | 1578 | 123.7 | — | — | — | — | -47 | -18 | +35 | 38.9% | -0.74 | 5–5 (50%) | 0–2 | — | -0.25 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1975 | 1555 | 119.2 | — | — | — | — | -73 | +23 | +94 | 38.9% | -1.01 | 4–1 (80%) | 3–2 (60%) | 105.4 | +1.07 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | 1570 | 110.9 | — | — | — | — | — | — | — | 50.0% | -0.50 | — | 1–0 | — | -0.03 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | 1566 | 103.3 | — | — | — | — | — | — | — | 0.0% | -3.50 | — | — | — | -0.23 |
| Career | 1516 | 99.0 | — | — | — | — | +76 | +15 | +43 | 36.5% | -1.16 | 2–3 (40%) | — | — | +1.38 | Career | 1668 | 122.5 | — | — | — | — | -13 | -20 | +9 | 39.1% | -0.82 | 23–23 (50%) | 12–16 (43%) | 101.5 | -1.43 |
Career Rivalries
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
Joaquin Loyo Mayo
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Arthur Ashe | 1 | 6 | 7 | Aug 7, 1975 | — |
| Clark Graebner | 2 | 4 | 6 | Aug 4, 1971 | — |
| Bob Carmichael | 0 | 5 | 5 | Sep 17, 1975 | — |
| Cliff Richey | 0 | 5 | 5 | Apr 2, 1971 | — |
| Tom Okker | 0 | 4 | 4 | Jul 27, 1978 | — |