
Oeiras 3: Beatriz Haddad Maia vs Maja Chwalinska
Prediction market · Polymarket
Overview
This market refers to the tennis match between Beatriz Haddad Maia and Maja Chwalinska in the Oeiras 3, originally scheduled for April 16, 2026 at 5:00AM ET. This market will resolve to 'Beatriz Haddad Maia' if Beatriz Haddad Maia advances against Maja Chwalinska. This market will resolve to 'Maja Chwalinska' if Maja Chwalinska advances against Beatriz Haddad Maia. 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-maia-chwalin-2026-04-16
Volume
130.7K
24h volume
126.7K
1w volume
130.7K
Open interest
74.5K
Liquidity
—
Start
Apr 14, 2026
End
Apr 23, 2026
Status
Closed
Access
Restricted
Created
Apr 16, 2026
Resolution source
https://www.wtatennis.com/scores
Event ID
379754
Slug
wta-maia-chwalin-2026-04-16
Markets
9
Raw event data
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"question": "Maia vs. Chwalinska: Set 1 Games O/U 9.5",
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"context_description": "In the second round of the WTA 125 Oeiras Jamor Ladies Open on outdoor clay, No. 69 Beatriz Haddad Maia meets No. 129 Maja Chwalinska in their first head-to-head clash. Haddad Maia, a left-handed baseline specialist with strong clay credentials, has endured a tough 2026 (2-9 overall), bouncing back from early losses in Miami and Austin 125 with a straight-sets R1 win over Mo Al-Naimi. Chwalinska counters with solid momentum (14-7 YTD, 10-4 on clay), grinding past Kaitlin Quevedo in three sets in R1 after recent clay showings like Dubrovnik. The taller Haddad Maia's experience tempers Chwalinska's form edge in this best-of-three matchup, with no reported injuries or withdrawals.",
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"context_updated_at": "2026-04-16T17:20:59.825Z",
"league": "Oeiras 3"
},
"teams": [
{
"id": 229509,
"name": "Beatriz Haddad Maia",
"league": "wta",
"record": "0-0",
"logo": "https://polymarket-upload.s3.us-east-2.amazonaws.com/country-flags/bra.png",
"abbreviation": "maia",
"createdAt": "2026-01-10T11:00:05.724957Z",
"providerId": 386081
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{
"id": 229164,
"name": "Maja Chwalinska",
"league": "wta",
"record": "0-0",
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"abbreviation": "chwalin",
"createdAt": "2026-01-02T17:00:01.921007Z",
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]
}- Oeiras 3: Beatriz Haddad Maia vs Maja ChwalinskaVol 130.0KLiq —End Apr 23, 2026Closed
- Set 1 Winner: Maia vs ChwalinskaVol 495Liq 0End Apr 23, 2026Closed
- Maia vs. Chwalinska: Match O/U 23.5Vol 107Liq —End Apr 23, 2026Closed
- Beatriz Haddad Maia vs. Maja Chwalinska: Total Sets O/U 2.5Vol 106Liq 0End Apr 23, 2026Closed
- Maia vs. Chwalinska: Match O/U 22.5Vol 42Liq 0End Apr 23, 2026Closed
- Maia vs. Chwalinska: Match O/U 21.5Vol 11Liq —End Apr 23, 2026Closed
- Maia vs. Chwalinska: Set 1 Games O/U 8.5Vol 6Liq —End Apr 23, 2026Closed
- Maia vs. Chwalinska: Set 1 Games O/U 9.5Vol 6Liq —End Apr 23, 2026Closed
- Maia vs. Chwalinska: Set 1 Games O/U 10.5Vol 6Liq —End Apr 23, 2026Closed