Tiiu Kivi
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Zaiga Yansone | 2 | 2 | 4 | Oct 10, 1970 | H2H |
| Olga Morozova | 0 | 3 | 3 | Aug 1, 1972 | H2H |
| Elena Granaturovna | 1 | 1 | 2 | Feb 9, 1974 | H2H |
| Eugenia Birioukova | 0 | 2 | 2 | Oct 1, 1972 | H2H |
| Lilia Karpova | 2 | 0 | 2 | Sep 30, 1972 | H2H |
H2H data updated: 2026-09-13 00:00 UTC
Tiiu Kivi vs Valentina Petrova H2H: 1-0
Tiiu Kivi holds a 1–0 lead over Valentina Petrova in their WTA head-to-head. They have met 1 times in main draws. Most recently, Tiiu Kivi won the 1970 Alma Ata round of 16 6-4 4-6 6-1.
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 |
|---|---|---|---|---|---|---|---|---|
| Tiiu Kivi | 6-4 4-6 6-1 | Valentina Petrova | Match data | Oct 9, 1970* | R16 | Alma Ata | WTA 250 | — |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tiiu Kivi | — | — | — | 1,618 | 22 | 25 | 46.8% | 0 | 0 | 0 | 0 | 1 | 1 |
| Valentina Petrova | — | — | — | 1,500 | 1 | 3 | 25.0% | 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.
| Tiiu Kivi | Valentina Petrova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1968 | 4–4 | 50.0% | — | 1,510 | 0 | 1 | 1969 | 0–1 | 0.0% | — | 1,482 | 0 | 0 |
| 1969 | 9–7 | 56.2% | — | 1,581 | 0 | 1 | 1970 | 1–2 | 33.3% | — | 1,483 | 0 | 0 |
| 1970 | 5–6 | 45.5% | — | 1,583 | 0 | 1 | — | — | — | — | — | — | — |
| 1972 | 4–3 | 57.1% | — | 1,604 | 0 | 1 | — | — | — | — | — | — | — |
| 1973 | 0–2 | 0.0% | — | 1,567 | 0 | 1 | — | — | — | — | — | — | — |
| 1974 | 0–2 | 0.0% | — | 1,532 | 0 | 1 | — | — | — | — | — | — | — |
| 1975 | 0–1 | 0.0% | — | 1,526 | 0 | 1 | — | — | — | — | — | — | — |
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.
| Tiiu Kivi | Valentina Petrova | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Clay | Carpet | Yr | Clay | Carpet | ||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | ||
| 1968 | 2 | 3 | 5 | 40.0% | 2 | 1 | 3 | 66.7% | 1970 | — | — | — | — | 1 | 1 | 2 | 50.0% |
| 1969 | 6 | 4 | 10 | 60.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — |
| 1970 | 1 | 2 | 3 | 33.3% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — |
| 1972 | 1 | 1 | 2 | 50.0% | 3 | 1 | 4 | 75.0% | — | — | — | — | — | — | — | — | — |
| 1973 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — |
| 1974 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — |
| Career | 10 | 11 | 21 | 47.6% | 7 | 8 | 15 | 46.7% | Career | — | — | — | — | 1 | 1 | 2 | 50.0% |
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.
| Tiiu Kivi | Valentina Petrova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1511 | 97.2 | — | — | — | — | +59 | -29 | — | 40.0% | -0.40 | 4–0 (100%) | — | — | +0.89 | 1969 | 1483 | 94.9 | — | — | — | — | — | — | — | 0.0% | -4.00 | — | — | — | +0.06 |
| 1969 | 1582 | 117.5 | — | — | — | — | -12 | -3 | — | 54.3% | +0.09 | 2–3 (40%) | — | — | +0.79 | 1970 | 1483 | 100.2 | — | — | — | — | — | — | — | 44.4% | -0.34 | 1–2 (33%) | — | — | +0.17 |
| 1970 | 1584 | 114.7 | — | — | — | — | -49 | -3 | — | 47.6% | +0.19 | 1–0 | — | — | +0.43 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1972 | 1605 | 112.1 | — | — | — | — | +1 | — | — | 50.0% | +0.56 | 2–0 | — | — | +1.54 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 1568 | 100.0 | — | — | — | — | — | — | — | 20.0% | -1.20 | 0–1 | 1–1 | — | +0.58 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 1532 | 95.2 | — | — | — | — | — | — | — | 0.0% | -3.25 | — | — | — | +0.68 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1526 | 106.9 | — | — | — | — | — | — | — | 33.3% | -0.67 | 0–1 | — | — | -0.16 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1618 | 114.0 | — | — | — | — | 0 | -10 | — | 45.2% | -0.12 | 9–5 (64%) | 1–1 | — | +10.11 | Career | 1500 | 97.8 | — | — | — | — | — | — | — | 36.4% | -1.01 | 1–2 (33%) | — | — | +5.75 |
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.
Valentina Petrova
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tiiu Kivi | 0 | 1 | 1 | Oct 9, 1970 | H2H |
| Helga Masthoff | 0 | 1 | 1 | Feb 20, 1970 | H2H |
| Rauza Islanova | 1 | 0 | 1 | Feb 6, 1970 | H2H |
| Anna Yeremeyeva | 0 | 1 | 1 | Oct 31, 1969 | H2H |