Elise Mertens World No. 19 · 
Belgium 
Iga Swiatek World No. 9 · 
Poland Live Polymarket prices · $7.8K traded across 16 markets · as of 08:48 UTC
Elise Mertens (serving) Iga Swiatek (serving) Who comes in stronger: ranking, season record, form and the basics side by side.
Iga Swiatek leads the head-to-head 1–0 · completed tour-level meetings
| Elise Mertens | Fact | Iga Swiatek |
|---|---|---|
| No. 19 | World ranking | No. 9 |
| 2,165 | Ranking points | 4,119 |
| 31–19 | 2026 record | 38–14 |
| LLWWW | Last 5 matches | WLWWW |
| 30 | Age | 25 |
| 179 cm | Height | 176 cm |
| Belgium | Country | Poland |
| 2010 | Turned pro | 2016 |
Their most recent completed meetings, latest first.
Mertens 0 1 Swiatek
Mertens 34 Swiatek ✓ 66 Prediction market probabilities from Polymarket, as recorded over the life of the market.
Elise Mertens 21%
Iga Swiatek 80%
Percentages show what people predict, not a tip. A 70% favourite still loses about three times in ten.
How the win chances moved before the match.
As of 8 October 2026, 08:48 UTC, Iga Swiatek is priced at 80% to beat Elise Mertens at China Open, with Elise Mertens at 21%. That is a heavy favorite’s price - traders give Elise Mertens little chance. Prices are Polymarket probabilities and move with every trade.
80%
What is happening around Elise Mertens vs Iga Swiatek - headlines from our approved sources, links go to the source.
No headlines about this match from our sources yet - stories land here as soon as they are published.
Other matches from this tournament.
Ekaterina Alexandrova ▲ 2% 24H
27% 
Mirra Andreeva ▼ 2% 24H
74% View match › China Open Quarter-finals Qinwen Zheng vs Elina Svitolina 
Qinwen Zheng 44% 
Elina Svitolina 56% View match › China Open Quarter-finals Karolina Muchova vs Nikola Bartunkova 
Karolina Muchova 
Nikola Bartunkova View match › China Open Round of 16 Ann Li vs Elina Svitolina 
Ann Li Elina Svitolina View match › China Open Round of 16 Alina Charaeva vs Qinwen Zheng 
Alina Charaeva Qinwen Zheng View match › China Open Round of 16 Coco Gauff vs Elise Mertens 
Coco Gauff Elise Mertens View match › China Open Round of 16 Iva Jovic vs Iga Swiatek 
Iva Jovic Iga Swiatek View match › China Open Final Novak Djokovic vs Alex de Minaur 
Novak Djokovic 
Alex de Minaur View match › Polymarket prices as of
Beyond the winner: the side markets on this match, in plain words.
How long does it go?
Straight sets
68%
quoted, no trades yet
Who takes the first set?
Iga Swiatek
73%
quoted, no trades yet
How one-sided?
Iga Swiatek wins by 2 sets or more
57%
quoted, no trades yet
Prices as of 8 October 2026, 09:01 UTC. 16 markets on this event on Polymarket.