Sebastian Korda Takes Lead in US Open Men's Wild Card Challenge Usue Arconada Still Leads Women's Challenge July 22, 2019 – Former Australian Open boys' champion and world junior No. 1 Sebastian Korda took the lead in the US Open Men's Wild Card Challenge in Week 2, reaching the final at the ATP Challenger 110 event in Nur-Sultan, Kazakhstan.   It was the first … [Read more...] about Sebastian Korda Takes Lead in US Open Men’s Wild Card Challenge