Siyona KOLLA
Country: IND
Siyona KOLLA
Singles rating
1,290
Δ -108.7 recent
Matches tracked
6
Across rated competitions
Volatility
244
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,510. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Recent form
Last 5 matches
- Aug 27, 2025•SINGLES•GS21-13 · 21-15
Side A
WinnerΔ +108.7μ 1409 → 1518Chermaine GohSide B
Δ -108.7μ 1619 → 1510Siyona KOLLASiyona KOLLAIND
- Jul 26, 2025•SINGLES•WS16-21 · 21-9 · 21-10
Side A
WinnerΔ +16.8μ 1881 → 1898Aleyna KorkutSide B
Δ -16.8μ 1636 → 1619Siyona KOLLASiyona KOLLAIND
- Jul 25, 2025•SINGLES•WS5-21 · 10-21
Side A
Δ -72.0μ 1629 → 1557Sofiya ZAKIROVASide B
WinnerΔ +72.0μ 1564 → 1636Siyona KOLLASiyona KOLLAIND
- Jul 25, 2025•SINGLES•WS11-21 · 15-21
Side A
Δ -62.5μ 1504 → 1442Sevval Naz ISIKSide B
WinnerΔ +62.5μ 1501 → 1564Siyona KOLLASiyona KOLLAIND
- Jul 24, 2025•SINGLES•WS21-9 · 21-3
Side A
WinnerΔ +83.0μ 1418 → 1501Siyona KOLLASiyona KOLLAIND
Side B
Δ -83.0μ 1427 → 1344Semanur Ugurlu
Discipline snapshots
Singles
1,290
Matches 6
Δ -108.7