Overview

• Raducanu opens play on Court Louis Armstrong at 11 a.m. ET in one of the tournament’s first matches.
• Shibahara, ranked around No. 130 in singles, reached the main draw through qualifying without dropping a set.
• The Japanese player is a Grand Slam mixed-doubles champion and former world No. 4 in doubles, underscoring the danger of the draw.
• Raducanu cites a strong fit with Roig and has posted improved results, including a Citi Open semi-final, Canada third round and a narrow three-set loss to No. 1 Aryna Sabalenka in Cincinnati.
• She has not won a singles match at the US Open since her 2021 title and has already featured this week in the revamped mixed doubles with Carlos Alcaraz, losing to Jack Draper and Jessica Pegula but praising the format.