Petar Nesterov eliminated in first round of Porto Challenger 125

Bulgarian tennis player Petar Nesterov was eliminated in the first round of the Challenger 125 tournament in Porto, Portugal. After progressing through the qualifiers, the 23-year-old lost to local player Gonzalo Marques in a three-set match on hard courts, with a final score of 5:7, 6:1, 4:6.

Despite the loss, Nesterov earned 5 ATP ranking points, maintaining his position at 301st in the world rankings.

Another Bulgarian player, Aleksandar Donski, is scheduled to compete in the doubles category. As the third seed, Donski will partner with Poland's Filip Piczonka to face Belgium's Michiel Geerts and India's Vijay Prashant in the opening round.