Haruka Kaji
all rivalries →No career rivalry data available.
H2H data updated: 2026-09-14 00:00 UTC
Haruka Kaji vs Kristiana Sidorova
Compare the head-to-head record, career totals, season-by-season performance, and match log for Haruka Kaji vs Kristiana Sidorova.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
0
–
0
0 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kristiana Sidorova | 6-1 6-2 | Haruka Kaji | Match data | Oct 26, 2025 | Q2 | Hong Kong Open | WTA 250 | Hard |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Haruka Kaji | #259 | #219 | 327 | 1,506 | 0 | 0 | — | 0 | 0 | 0 | 0 | 0 | 0 |
| Kristiana Sidorova | #401 | #363 | 172 | 1,571 | 0 | 1 | 0.0% | 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.
| Age | Haruka Kaji | Kristiana Sidorova | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 19 | — | — | — | — | — | — | — | 2025 | 0–1 | 0.0% | #470 | 1,528 | 0 | 0 |
Advanced Statistics Comparison by Age
Seasons are aligned by the age each player spent most of that calendar year. 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.
| Age | Haruka Kaji | Kristiana Sidorova | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1528 | 108.5 | +0.21 | -2.71 | 0.473 | 36.6% | — | — | — | 0.0% | -4.50 | — | — | — | -0.18 |
| 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2026 | 1539 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2017 | 1490 | 100.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 23 | 2018 | 1475 | 93.1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2019 | 1457 | 96.6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 28 | 2023 | 1450 | 90.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 1468 | 97.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2025 | 1447 | 93.2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 1421 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1506 | 88.5 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1571 | 104.8 | +0.21 | -2.71 | 0.473 | 36.6% | — | — | — | 0.0% | -4.50 | — | — | — | -18.00 |
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.