Bucsa/Melichar-Martinez and Krawczyk/Stollár: doubles styles

Bucsa, from Spain, balances singles and doubles; her return and coverage suit cross-court exchanges, public reports suggest. Melichar-Martinez, an American doubles specialist, is known for serve-and-volley positioning.

Krawczyk, a left-handed American, offers angled serves and active net hands. Stollár, from Hungary, public reports suggest, brings aggressive baseline hitting and doubles experience.

Ningbo hard-court context and matchup tests

Ningbo is a late-season WTA hard-court event in China; outdoor conditions can reward first-strike serving and compact net play. The match tests serve-return patterns, chemistry and pressure-point handling.