# Elvina Kalieva vs Sofia Costoulas — Head-to-Head

Source: https://tennis-db.com/wta/rivalries/elvina-kalieva-vs-sofia-costoulas?player1_id=balldontlie_wta:632116&player2_id=balldontlie_wta:649603
Tour: WTA

Category presentation: Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category.
Details: https://tennis-db.com/glossary#category-equivalence

Category presentation: Asterisked totals include editions mapped from documented historical predecessor categories.
Details: https://tennis-db.com/glossary#category-equivalence

## Overall
- Elvina Kalieva: 0 wins
- Sofia Costoulas: 0 wins
- Total meetings: 0

## Advanced statistics comparison
Career aggregates from the precomputed Advanced table. Surface Elo values are relative to overall Elo; career Schedule is normalized per 100 matches and lower means tougher opposition.

| Player | Peak Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win% | Set Margin | Dec. Set | Tiebreak | Schedule |
| :--- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Elvina Kalieva | 1680 | 110.6 | -0.79 | -1.8 | 0.806 | 45.4% | -18 | -64 | - | 28.9% | -1.71 | 3-3 (50%) | 3-4 (43%) | -2.63 |
| Sofia Costoulas | 1617 | 109.0 | -0.84 | 0.19 | 1.002 | 49.9% | 42 | - | - | 40.0% | -0.2 | 1-2 (33%) | 0-1 | 10.67 |

## Recent meetings (last 10)
| Date | Tournament | Category | Round | Surface | Winner | Score |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 2026-08-26 | US Open | Grand Slam | Q2 | Hard | Elvina Kalieva | 3-6 6-3 6-4 |

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Canonical URL: https://tennis-db.com/wta/rivalries/elvina-kalieva-vs-sofia-costoulas?player1_id=balldontlie_wta:632116&player2_id=balldontlie_wta:649603
Data source: TennisDB (tennis-db.com)