Elise Mertens will dispatch Yulia Starodubtseva to reach the Monterrey Open semifinals and protect her place in the $1,206,446 WTA 500. The world No. 24 arrives with a 26-16 2026 record and will build on her quarterfinal win over Panna Udvardy 6-1, 4-6, 6-3 in Mexico. This will be the pair's first…