Viktoriya Tomova , Bulgaria’s top-ranked women’s tennis player, advanced to the second round of the Cincinnati tournament after defeating American Ann Li 6:4, 7:5 in a match lasting one hour and 42 minutes. The victory came late Friday into Saturday and sets up a clash with Ukraine’s Diana Yastremska. This triumph over the world No. 64 marks Tomova ’s third straight win in the event, following two earlier victories in the qualifying rounds. The second set proved more challenging for the