Hanna Chang vs Sayaka Ishii · Match odds & ELO prediction
Newport • Grass • Jul 8, 2025 • 4:20 PM
Final score
1 - 2
Winner Sayaka Ishii
Key insights
Player performance profile
Hanna Chang
33% · 10–20 on hard
47% · 9–10 on clay
0% · 0–2 on grass
Games won (last 10)
43%
10 matches tracked
Player Skillset
Based on ~1,161 points across 8 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~1,161 points across 8 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -1.2 | 27% | Shaky |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | -0.8 | 46% | Shaky |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | -17.6 | 0% | Vulnerable |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Sayaka Ishii
48% · 10–11 on hard
0% · 0–1 on clay
56% · 5–4 on grass
Games won (last 10)
43%
10 matches tracked
Player Skillset
Based on ~463 points across 4 matches
Percentiles compare against tour-level players in TennisTrove.
Player Skillset
Based on ~463 points across 4 matches
| Metric | Value | Percentile | Tier |
|---|---|---|---|
Serve strengthServe strength
(Player serve win % - tour average serve win %)
scaled by sample size | -2.5 | 13% | Vulnerable |
Return strengthReturn strength
(Player return win % - tour average return win %)
scaled by sample size | -1.8 | 26% | Shaky |
Pressure IndexPressure Index
(Break point performance - baseline point performance)
with a small adjustment for tiebreak results | -0.6 | 45% | Shaky |
Tiebreak win % | Insufficient data | — | — |
Percentiles compare against tour-level players in TennisTrove.
Match Overview
Hanna Chang and Sayaka Ishii are set to meet at the Newport on July 8, 2025 in a grass-court singles match. Chang enters with a 0–2 record on grass courts in 2025, while Ishii has posted a 5–4 mark on grass courts this season. Elo ratings point to a clear statistical advantage for Chang entering this matchup. In their head-to-head history, Ishii leads 2–0 over Chang, including a win in their most recent meeting.