$18,822 on Kolar, Zdenek - Hugo Dellien — ATP Challenger Oeiras 4, Portugal Men Singles

High-roller activity tracked on tail.bet around Hugo Dellien spans four bets totaling $242,262, with the largest single wager a $80,805 loss on a matchup against Luca Van Assche. Settled positions split evenly at 50% but posted a minus-$228,904 net result. Parlays dominated the bet mix, while backers showed a preference for Over 8.5 selections, predominantly in ATP Rome singles action.