Italian Francesco Maestrelli reached a career-high No. 137 in January 2026 after ending 2025 by winning his fourth Challenger title in Bergamo, adding to 2025 Challenger titles in Francavilla al Mare and Brașov (also winning in Verona in 2022 as a qualifier). He made his ATP Tour debut as a wild card in Florence in 2022 and made his Grand Slam main-draw debut at the 2026 Australian Open after qualifying on his 10th attempt, having previously reached the final round of qualifying at the 2022 US Open in his Slam qualifying debut.