# ATP Challenger Porto tennis tournament > Live situation record from CLSTR: https://clstr.news/situations/atp-challenger-porto-tennis-tournament > Updated: 2026-10-02T17:27:00.000Z. Sources: 7. Developments: 2. The ATP Challenger 125 tournament in Porto, Portugal, featured various competitive results in both singles and doubles categories. In the singles competition, Bulgarian player Petar Nesterov was eliminated in the first round after losing to local player Gonzalo Marques in three sets. Nesterov, who had progressed through the qualifiers, earned 5 ATP ranking points from the appearance. In the doubles category, the pairing of Aleksander Donski and Filip Pieczonka reached the tournament final. Their run ended in the championship match, where they lost in straight sets, 6:3, 6:4, to Stefan Latinović and Mili Poljicak. This victory for the Croatian-Serbian duo marks their 16th consecutive win since resuming their partnership this summer, following recent titles in San Marino and Genoa. The win is expected to result in significant ranking improvements, with Poljičak projected to reach a career-high of 150 and Latinović projected to reach 87 in the ATP doubles rankings. The runners-up, Pieczonka and Donski, reached the final after winning their previous matches in straight sets and a super tie-break in the semifinals. ## Timeline ### 2026-10-02: Poljičak and Latinović win ATP Challenger doubles title in Porto Mili Poljičak and Stefan Latinović won the ATP Challenger doubles title in Porto, extending their winning streak to 16 matches after defeating Filip Pieczonka and Alexander Donski. 5 sources. https://clstr.news/cluster/filip-pieczonka-reaches-atp-challenger-porto-doubles-final ### 2026-09-29: Petar Nesterov eliminated in first round of Porto Challenger 125 Bulgarian tennis player Petar Nesterov lost in the first round of the Porto Challenger 125 to Gonzalo Marques, while Aleksandar Donski prepares for doubles competition. 2 sources. https://clstr.news/cluster/petar-nesterov-eliminated-in-first-round-of-porto-challenger --- Cite as: ATP Challenger Porto tennis tournament. CLSTR, https://clstr.news/situations/atp-challenger-porto-tennis-tournament