H2H data updated: 2026-09-08 00:00 UTC
Nicholas Kalogeropoulos holds a 2–0 lead over Patricio Rodriguez Chi in their ATP head-to-head. Across 2 main-draw meetings, Nicholas Kalogeropoulos leads 2–0 on clay. Most recently, Nicholas Kalogeropoulos won the 1973 Barcelona round of 64 4-6 6-1 6-4.
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| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Nicholas Kalogeropoulos | 4-6 6-1 6-4 | Patricio Rodriguez Chi | Match data | Apr 4, 1973* | R64 | Barcelona | ATP 250 | Clay |
| Nicholas Kalogeropoulos | 6-4 6-4 | Patricio Rodriguez Chi | Match data | May 23, 1969* | R64 | Italian Open | ATP 250 | Clay |
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.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Nicholas Kalogeropoulos | #511 | #108 | 0 | 1,687 | 55 | 75 | 42.3% | 0 | 0 | 0 | 0 | 0 | 0 |
| Patricio Rodriguez Chi | — | — | — | 1,533 | — | — | — | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Nicholas Kalogeropoulos | Patricio Rodriguez Chi | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 13–13 | 50.0% | — | 1,533 | 0 | 0 | — | — | — | — | — | — | — |
| 1969 | 9–10 | 47.4% | — | 1,587 | 0 | 0 | — | — | — | — | — | — | — |
| 1970 | 10–6 | 62.5% | — | 1,661 | 0 | 0 | — | — | — | — | — | — | — |
| 1971 | 4–7 | 36.4% | — | 1,655 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 5–8 | 38.5% | — | 1,641 | 0 | 0 | — | — | — | — | — | — | — |
| 1973 | 12–18 | 40.0% | #113 | 1,567 | 0 | 0 | — | — | — | — | — | — | — |
| 1974 | 1–11 | 8.3% | #245 | 1,479 | 0 | 0 | — | — | — | — | — | — | — |
| 1979 | 1–1 | 50.0% | #511 | 1,488 | 0 | 0 | — | — | — | — | — | — | — |
| 1980 | 0–1 | 0.0% | — | 1,477 | 0 | 0 | — | — | — | — | — | — | — |
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.
| Nicholas Kalogeropoulos | Patricio Rodriguez Chi | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | 12 | 11 | 23 | 52.2% | 1 | 2 | 3 | 33.3% | — | — | — | — | 1968 | 0 | 1 | 1 | 0.0% | 2 | 7 | 9 | 22.2% | — | — | — | — | — | — | — | — |
| 1969 | 0 | 1 | 1 | 0.0% | 6 | 6 | 12 | 50.0% | 2 | 2 | 4 | 50.0% | 1 | 1 | 2 | 50.0% | 1969 | — | — | — | — | 4 | 7 | 11 | 36.4% | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1970 | 2 | 1 | 3 | 66.7% | 2 | 2 | 4 | 50.0% | 6 | 3 | 9 | 66.7% | — | — | — | — | 1970 | — | — | — | — | 4 | 6 | 10 | 40.0% | — | — | — | — | — | — | — | — |
| 1971 | 2 | 3 | 5 | 40.0% | 0 | 2 | 2 | 0.0% | 2 | 2 | 4 | 50.0% | — | — | — | — | 1971 | — | — | — | — | 0 | 3 | 3 | 0.0% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 1972 | — | — | — | — | 3 | 5 | 8 | 37.5% | 2 | 3 | 5 | 40.0% | — | — | — | — | 1972 | — | — | — | — | 1 | 5 | 6 | 16.7% | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 1973 | 5 | 7 | 12 | 41.7% | 3 | 6 | 9 | 33.3% | 0 | 2 | 2 | 0.0% | 4 | 3 | 7 | 57.1% | 1973 | — | — | — | — | 2 | 7 | 9 | 22.2% | — | — | — | — | — | — | — | — |
| 1974 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | 1 | 9 | 10 | 10.0% | 1974 | — | — | — | — | 1 | 4 | 5 | 20.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1979 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1975 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1980 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | 1976 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | 10 | 16 | 26 | 38.5% | 26 | 32 | 58 | 44.8% | 13 | 14 | 27 | 48.1% | 6 | 13 | 19 | 31.6% | Career | 0 | 1 | 1 | 0.0% | 14 | 42 | 56 | 25.0% | 1 | 4 | 5 | 20.0% | 0 | 1 | 1 | 0.0% |
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.
| Nicholas Kalogeropoulos | Patricio Rodriguez Chi | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1534 | 109.4 | — | — | — | — | — | +10 | — | 49.3% | -0.23 | 6–3 (67%) | — | — | +0.08 | 1968 | 1474 | 102.3 | — | — | — | — | — | -7 | — | 39.3% | -0.96 | 0–3 (0%) | — | — | -0.55 |
| 1969 | 1588 | 115.4 | — | — | — | — | -11 | -27 | -2 | 45.8% | -0.31 | 2–1 (67%) | — | — | +0.63 | 1969 | 1473 | 109.8 | — | — | — | — | — | -1 | — | 37.8% | -0.84 | 1–3 (25%) | — | — | +0.31 |
| 1970 | 1661 | 120.0 | — | — | — | — | -41 | -97 | +6 | 54.8% | +0.31 | 4–2 (67%) | — | — | +0.07 | 1970 | 1525 | 119.1 | — | — | — | — | — | +6 | — | 40.0% | -0.84 | 1–1 | — | — | -0.03 |
| 1971 | 1656 | 117.3 | — | — | — | — | -52 | — | +30 | 43.9% | -0.24 | 3–5 (38%) | 2–2 (50%) | 98.2 | -1.13 | 1971 | 1468 | 94.7 | — | — | — | — | — | -2 | — | 16.7% | -2.83 | 0–1 | — | — | +0.18 |
| 1972 | 1641 | 114.3 | — | — | — | — | — | -44 | +3 | 42.9% | -0.36 | 3–2 (60%) | 2–0 | — | -0.43 | 1972 | 1419 | 96.5 | — | — | — | — | — | +14 | — | 34.5% | -1.66 | 1–3 (25%) | — | — | +0.50 |
| 1973 | 1568 | 120.8 | — | — | — | — | +76 | -4 | — | 46.6% | +0.05 | 5–9 (36%) | 3–5 (38%) | 94.6 | +2.25 | 1973 | 1418 | 97.1 | — | — | — | — | — | -3 | — | 21.1% | -1.79 | 1–2 (33%) | 0–2 | — | +0.11 |
| 1974 | 1479 | 110.7 | — | — | — | — | +22 | — | — | 25.8% | -1.13 | 1–6 (14%) | 2–3 (40%) | 93.2 | +0.86 | 1974 | 1397 | 99.0 | — | — | — | — | — | -22 | — | 26.7% | -1.40 | 1–2 (33%) | 1–0 | — | +0.47 |
| 1979 | 1489 | 103.6 | — | — | — | — | — | — | — | 50.0% | -0.50 | — | 1–0 | — | +0.24 | 1975 | 1386 | 98.1 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | — | — | +0.18 |
| 1980 | 1478 | 100.1 | — | — | — | — | — | — | — | 0.0% | -2.00 | — | — | — | +0.08 | 1976 | 1385 | 107.2 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | 0–1 | — | -0.15 |
| — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1978 | 1383 | 106.5 | — | — | — | — | — | — | — | 0.0% | -2.50 | — | 0–1 | — | -0.08 |
| Career | 1687 | 120.8 | — | — | — | — | +31 | -16 | +8 | 45.2% | -0.23 | 24–28 (46%) | 10–10 (50%) | 100.1 | +2.09 | Career | 1534 | 107.1 | — | — | — | — | — | -1 | — | 32.4% | -1.34 | 5–15 (25%) | 1–4 (20%) | 91.1 | +1.54 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Ilie Nastase | 0 | 4 | 4 | Mar 25, 1973 | H2H |
| Clark Graebner | 1 | 3 | 4 | Feb 10, 1973 | H2H |
| Ian Fletcher | 2 | 1 | 3 | Feb 7, 1974 | H2H |
| Byron Bertram | 2 | 1 | 3 | Jan 26, 1974 | H2H |
| Ion Tiriac | 0 | 3 | 3 | Jan 28, 1973 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Guillermo Vilas | 0 | 3 | 3 | Nov 19, 1974 | — |
| Antonio Zugarelli | 1 | 2 | 3 | Oct 10, 1973 | — |
| Jan Kodes | 0 | 3 | 3 | Jun 28, 1972 | — |
| Kjell Johansson | 0 | 2 | 2 | Oct 23, 1973 | — |
| Nicholas Kalogeropoulos | 0 | 2 | 2 | Apr 4, 1973 | — |