# US Open tennis tournament proceedings > Live situation record from CLSTR: https://clstr.news/situations/us-open-tennis-tournament-proceedings > Updated: 2026-09-07T23:11:21.000Z. Sources: 4. Developments: 4. The US Open has progressed to the semifinals following the conclusion of the quarterfinal matches. In the men’s draw, the semifinal matchups are set as Alexander Zverev against Karen Khachanov, and Frances Tiafoe against Ben Shelton. Khachanov advanced after Belgian player Alexander Blockx retired during their quarterfinal match at Arthur Ashe Stadium. Blockx, suffering from rib, back, and leg injuries, stated his “body just gave up” due to the physical toll of the tournament. Khachanov held a 6-2, 7-5, 3-2 lead at the time of retirement. Alexander Zverev secured his semifinal spot by defeating Botic van de Zandschulp in straight sets, 6-2, 7-5, 6-1. American players Tiafoe and Shelton both moved into the final four, with Shelton notably defeating Carlos Alcaraz and Tiafoe overcoming Alex Michelsen. ## Timeline ### 2026-09-07: US Open tennis match highlights released Tennis highlights from the US Open feature matchups including Francisco Cerundolo vs. Alexander Blockx and Karen Khachanov vs. Learner Tien. 2 sources. https://clstr.news/cluster/us-open-tennis-match-highlights-released-2 ### 2026-09-04: US Open tennis tournament features key match highlights Highlights from the US Open tennis tournament feature key matchups including Aryna Sabalenka vs. Kamilla Rakhimova and Karen Khachanov vs. Benjamin Bonzi. 2 sources. https://clstr.news/cluster/us-open-tennis-match-highlights-released-1 ### 2026-08-31: US Open tennis match highlights released Tennis highlights from the US Open feature matches including Zeynep Sonmez vs. Coco Gauff and Julia Grabher vs. Sorana Cirstea. 2 sources. https://clstr.news/cluster/us-open-tennis-match-highlights-released ### 2026-08-31: US Open tennis tournament highlights and match results Highlights from the US Open include matches featuring Mirra Andreeva, Janice Tjen, Toby Samuel, and Tomas Machac, while Daniil Medvedev secured a second-round spot. 2 sources. https://clstr.news/cluster/us-open-tennis-tournament-highlights-and-match-results --- Cite as: US Open tennis tournament proceedings. CLSTR, https://clstr.news/situations/us-open-tennis-tournament-proceedings