In the ATP Challenger Menorca first-round matchup on clay, No. 183 Zdenek Kolar holds trader consensus favor over qualifier Sergio Callejon Hernando (No. 512) due to superior rankings, age-29 experience, and a career 60% win rate on the surface. The Czech enters off a recent Challenger quarterfinal loss in Montemar, showcasing solid return depth (51% second-serve points won). The 21-year-old Spaniard, a lefty with home-crowd support, earned his main-draw spot via strong qualifying wins, including over Denis Yevseyev, amid a 4-1 start to 2026—highlighting upset potential in this first-ever head-to-head. No reported injuries; focus remains on stylistic matchup and fatigue from Callejon's recent matches.
Experimental AI-generated summary referencing Polymarket data · Updated1st Set
This market will resolve to 'Zdenek Kolar' if Zdenek Kolar advances against Sergio Callejon.
This market will resolve to 'Sergio Callejon' if Sergio Callejon advances against Zdenek Kolar.
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 ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Apr 2, 2026, 12:00 AM ET
Resolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...1st Set
This market will resolve to 'Zdenek Kolar' if Zdenek Kolar advances against Sergio Callejon.
This market will resolve to 'Sergio Callejon' if Sergio Callejon advances against Zdenek Kolar.
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 ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Apr 2, 2026, 12:00 AM ET
Resolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...In the ATP Challenger Menorca first-round matchup on clay, No. 183 Zdenek Kolar holds trader consensus favor over qualifier Sergio Callejon Hernando (No. 512) due to superior rankings, age-29 experience, and a career 60% win rate on the surface. The Czech enters off a recent Challenger quarterfinal loss in Montemar, showcasing solid return depth (51% second-serve points won). The 21-year-old Spaniard, a lefty with home-crowd support, earned his main-draw spot via strong qualifying wins, including over Denis Yevseyev, amid a 4-1 start to 2026—highlighting upset potential in this first-ever head-to-head. No reported injuries; focus remains on stylistic matchup and fatigue from Callejon's recent matches.
Experimental AI-generated summary referencing Polymarket data · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions