H2H data updated: 2026-09-12 00:00 UTC
Eugenia Birioukova holds a 1–0 lead over K Vyahkh in their WTA head-to-head. Across 1 main-draw meeting, Eugenia Birioukova leads 1–0 on carpet. Most recently, Eugenia Birioukova won the 1973 Tallinn quarterfinal 6-1 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.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Eugenia Birioukova | 6-1 6-1 | K Vyahkh | Match data | Jan 20, 1973* | QF | Tallinn | WTA 250 | Carpet |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Eugenia Birioukova | — | — | — | 1,701 | 40 | 33 | 54.8% | 0 | 0 | 0 | 0 | 3 | 3 |
| K Vyahkh | — | — | — | 1,500 | 0 | 1 | 0.0% | 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.
| Eugenia Birioukova | K Vyahkh | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1970 | 0–1 | 0.0% | — | 1,495 | 0 | 0 | 1973 | 0–1 | 0.0% | — | 1,490 | 0 | 0 |
| 1971 | 5–3 | 62.5% | — | 1,544 | 0 | 0 | — | — | — | — | — | — | — |
| 1972 | 20–10 | 66.7% | — | 1,658 | 0 | 3 | — | — | — | — | — | — | — |
| 1973 | 10–10 | 50.0% | — | 1,682 | 0 | 3 | — | — | — | — | — | — | — |
| 1974 | 2–4 | 33.3% | — | 1,649 | 0 | 3 | — | — | — | — | — | — | — |
| 1975 | 2–3 | 40.0% | — | 1,656 | 0 | 3 | — | — | — | — | — | — | — |
| 1977 | 1–1 | 50.0% | — | 1,658 | 0 | 3 | — | — | — | — | — | — | — |
| 1991 | 0–1 | 0.0% | — | 1,635 | 0 | 3 | — | — | — | — | — | — | — |
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.
| Eugenia Birioukova | K Vyahkh | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Clay | Grass | Carpet | Yr | 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 % | ||
| 1970 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | 1973 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 1971 | 2 | 1 | 3 | 66.7% | — | — | — | — | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1972 | 3 | 2 | 5 | 60.0% | 5 | 5 | 10 | 50.0% | 10 | 1 | 11 | 90.9% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 6 | 5 | 11 | 54.5% | 1 | 3 | 4 | 25.0% | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 0 | 2 | 2 | 0.0% | — | — | — | — | 2 | 2 | 4 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 1 | 0 | 1 | 100.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1991 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 12 | 12 | 24 | 50.0% | 6 | 8 | 14 | 42.9% | 18 | 8 | 26 | 69.2% | Career | — | — | — | — | — | — | — | — | 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.
| Eugenia Birioukova | K Vyahkh | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1970 | 1496 | 98.0 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | -0.25 | 1973 | 1490 | 97.2 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +0.20 |
| 1971 | 1544 | 107.8 | — | — | — | — | +30 | +9 | — | 57.9% | +0.58 | 2–1 (67%) | 1–0 | — | +1.80 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1972 | 1658 | 118.5 | — | — | — | — | +142 | -79 | -95 | 64.8% | +0.90 | 5–6 (45%) | 2–1 (67%) | 100.0 | +5.61 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1973 | 1683 | 132.3 | — | — | — | — | +90 | -25 | -144 | 47.6% | +0.17 | 2–2 (50%) | 2–1 (67%) | 100.9 | +2.26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1974 | 1650 | 109.2 | — | — | — | — | +118 | — | — | 46.2% | -0.39 | 1–2 (33%) | — | — | +0.76 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1975 | 1657 | 125.1 | — | — | — | — | — | — | — | 42.9% | -0.86 | 2–2 (50%) | — | — | -0.75 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1977 | 1659 | 109.3 | — | — | — | — | — | — | — | 60.0% | +1.00 | 0–1 | — | — | +0.18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 1991 | 1636 | 91.5 | — | — | — | — | — | — | — | 0.0% | -5.50 | — | — | — | +0.13 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1701 | 125.6 | — | — | — | — | +105 | -34 | -109 | 54.8% | +0.29 | 12–14 (46%) | 5–2 (71%) | 101.8 | +13.53 | Career | 1500 | 98.5 | — | — | — | — | — | — | — | 0.0% | -5.00 | — | — | — | +20.00 |
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 |
|---|---|---|---|---|---|
| Olga Morozova | 3 | 4 | 7 | Jul 26, 1975 | H2H |
| Anna Yeremeyeva | 3 | 2 | 5 | Sep 30, 1972 | H2H |
| Marina Chuvirina | 2 | 1 | 3 | Feb 23, 1974 | H2H |
| Marina Kroschina | 0 | 2 | 2 | Jul 27, 1975 | H2H |
| Elena Granaturovna | 1 | 1 | 2 | Jul 26, 1975 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Eugenia Birioukova | 0 | 1 | 1 | Jan 20, 1973 | H2H |