Tennis - Fed Cup - International Staff Ultimate - Czech Republic v United States - O2 Area, Prague, Czech Republic - November 10, 2018 Czech Republic's Katerina Siniakova celebrates successful her fit towards Alison Riske of the U.S. REUTERS\/David W CernyPRAGUE (Reuters) - International doubles primary Katerina Siniakova helped the Czech Republic to brush the opening-day fits within the Fed Cup ultimate towards protecting champions the US on Saturday, overpowering Alison Riske 6-Three 7-6(2). The Czech crew, dealing with a U.S. squad with out their most sensible avid gamers and fielding 3 debutantes, will take a 2-Zero lead into Sunday as they search a 6th Fed Cup name since 2011. Siniakova cruised within the first set however fell at the back of in the second one prior to pulling stage. She and Riske battled backward and forward then and the American driven the set to a tiebreak, the place Siniakova took regulate. Barbora Strycova had put the Czechs 1-Zero up with a 6-7(five) 6-1 6-Four win over Fed Cup newcomer Sofia Kenin within the opening rubber. Reporting by means of Jason Hovet; enhancing by means of Clare FallonOur Requirements:The Thomson Reuters Agree with Ideas.