Madrid Open, Qualification: Ksenia Efremova vs Lulu Sun
Prediction market · Polymarket
Overview
This market refers to the tennis match between Ksenia Efremova and Lulu Sun in the Madrid Open, Qualification, originally scheduled for April 20, 2026 at 11:30AM ET. This market will resolve to 'Ksenia Efremova' if Ksenia Efremova advances against Lulu Sun. This market will resolve to 'Lulu Sun' if Lulu Sun advances against Ksenia Efremova. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the WTA Tour. A consensus of credible reporting may also be used.
Ticker
wta-efremov-sun-2026-04-20
Volume
2.2K
24h volume
2.2K
1w volume
2.2K
Open interest
1.3K
Liquidity
36.1K
Liquidity CLOB
36.1K
Start
Apr 19, 2026
End
Apr 27, 2026
Status
Active
Access
Restricted
Created
Apr 20, 2026
Resolution source
https://www.wtatennis.com/scores
Event ID
397083
Slug
wta-efremov-sun-2026-04-20
Markets
10
Raw event data
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"endDate": "2026-04-27T15:30:00Z",
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"question": "Set 1 Winner: Efremova vs Sun",
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"active": true,
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"description": "This market refers to the tennis match between Ksenia Efremova and Lulu Sun in the Madrid Open, Qualification, originally scheduled for April 20, 2026 at 11:30AM ET.\nThis market will resolve to \"Over\" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to \"Under.\"\nA super tie breaker is considered as one (1) set for total set markets.\nIf the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.\nResolution will be based on official WTA statistics.",
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"question": "Set Handicap: Sun (-1.5) vs Efremova (+1.5)",
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"question": "Madrid Open, Qualification: Ksenia Efremova vs Lulu Sun",
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"context_description": "Lulu Sun, ranked No. 106 with a career high of No. 39, enters as the clear favorite against 16-year-old wildcard Ksenia Efremova (No. 667) in the Madrid Open qualifying first round on clay at Arantxa Sanchez Stadium. Sun's left-handed game and WTA-level experience, including a 4-8 YTD record, outweigh Efremova's promising junior pedigree (former ITF junior No. 1) and strong lower-tier pro results (85.7% win rate in 2026). No head-to-head exists, but Sun's seeding (17th in qualies) and clay suitability drive trader consensus, though Efremova's upside as a French prodigy adds upset potential. No injury concerns reported; weather in Madrid is mild with light winds. Winner advances to qualies second round.",
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"context_updated_at": "2026-04-20T07:42:07.826Z",
"league": "Madrid Open, Qualification"
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"abbreviation": "efremov",
"createdAt": "2026-01-11T16:47:22.286427Z",
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"name": "Lulu Sun",
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}- Efremova vs. Sun: Set 1 Games O/U 8.5Vol —Liq 613End Apr 27, 2026OpenOrder book
- Set Handicap: Sun (-1.5) vs Efremova (+1.5)Vol —Liq 5.3KEnd Apr 27, 2026OpenOrder book
- Efremova vs. Sun: Set 1 Games O/U 9.5Vol —Liq 20End Apr 27, 2026OpenOrder book
- Efremova vs. Sun: Match O/U 23.5Vol —Liq 10End Apr 27, 2026OpenOrder book
- Efremova vs. Sun: Match O/U 22.5Vol —Liq 20End Apr 27, 2026OpenOrder book
- Efremova vs. Sun: Match O/U 21.5Vol —Liq 19End Apr 27, 2026OpenOrder book
- Ksenia Efremova vs. Lulu Sun: Total Sets O/U 2.5Vol —Liq 2.2KEnd Apr 27, 2026OpenOrder book
- Set 1 Winner: Efremova vs SunVol —Liq 776End Apr 27, 2026OpenOrder book
- Madrid Open, Qualification: Ksenia Efremova vs Lulu SunVol 2.2KLiq 25.7KEnd Apr 27, 2026OpenOrder book
- Efremova vs. Sun: Set 1 Games O/U 10.5Vol —Liq 1.7KEnd Apr 27, 2026OpenOrder book