$16,671 on Alvarez Varona, Nicolas - Adolfo Daniel Vallejo — ATP Challenger Valencia, Spain Men Singles

Adolfo Daniel Vallejo drew five high-roller bets tracked on tail.bet, totaling $105,113 across singles and parlays. The largest captured wager was $63,870 on a single match against Jaime Faria, which won but returned only $48,468—a $15,402 loss on that leg. Overall, backers settled two wins and two losses for a 50% win rate, posting a minus-$33,605 net result and negative 32% ROI across the dataset.