Veteran Indian tennis player Leander Paes and his German partner Andre Begemann enter the semifinals of Tashkent ATP Challenger beating Oleksandr Nedovyesov of Kazakhstan and Ukraine's Denys Molchanov in the men's doubles event today.Seeded third, Paes and Begemann had to sweat it out to register a close 4-6, 6-4, 10-8 win in the super tie-breaker over their rivals. Paes and Begemann will now face local wild card holder pair of Sanjar Fayziev and Jurabeck Karimov in the semifinals.