Dayeon Back vs L. Sun · Match odds & ELO prediction
WTA Billie Jean King Cup - Group I • Unknown • Apr 9, 2025 • 11:25 AM
Final score
0 - 2
Winner L. Sun
Key insights
Player performance profile
Dayeon Back
66% · 44–23 on hard
Games won (last 10)
45%
7 matches tracked
Player Skillset
Based on ~0 points across 5 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~0 points across 5 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | 0.0 | 45% | Shaky |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | 0.0 | 61% | Solid |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | +0.1 | 51% | Solid |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
L. Sun
23% · 3–10 on hard
38% · 3–5 on clay
40% · 2–3 on grass
Games won (last 10)
51%
10 matches tracked
Player Skillset
Based on ~5,426 points across 43 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~5,426 points across 43 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -1.9 | 100% | Elite |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | -1.2 | 0% | Vulnerable |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | -2.2 | 83% | Strong |
Tiebreak win % | 43% | 67% | Solid |
Percentiles compare against tour-level players in TennisTrove.
Match Overview
Dayeon Back and L. Sun are set to meet at the WTA Billie Jean King Cup - Group I on April 9, 2025 in a tour-level singles match. Back enters with a 47–25 record on tour-level courts in 2025, while Sun has posted a 12–18 mark on tour-level courts this season. Elo ratings point to a clear statistical advantage for Sun entering this matchup. In their head-to-head history, Sun leads 1–0 over Back, including a win in their most recent meeting.