Nadal to face Berrettini in US Open men's singles semis Defending champ Osaka out of US Open A friendship that transcends time and borders Highlights of Day 9 matches at 2019 US Open Bianca Andreescu beats Serena Williams in US Open final Serena Williams reaches US Open final again Federer loses to Dimitrov in US Open quarterfinals Diversify asset and debt to avoid a crisis Williams powers past China's Wang into US Open semis US fallacy of pitting Russia against China Nadal sets blockbuster clash against Medvedev in US Open final Nadal overcomes Cilic to reach US Open quarters Berrettini forges Italian breakthrough at US Open Investment abroad on right track Wang energized by New York run Top seeds Cabal/Farah take men's doubles title at US Open Nadal edges Medvedev for 4th US Open title China's anti-poverty drive has lessons for all Putting system reform to stress test