The prosecutor’s office said the probe centered on suspicions about one match at Roland Garros last year. It did not specify the match. German newspaper Die Welt and French sports daily L’Equipe said at the time there were suspicious betting patterns in the first round of a women’s doubles match on Sept. 30. On that day, Sizikova and partner Madison Brengle of the United States played on Court No. 10 against Romanian players Andreea Mitu and Patricia Maria Tig. Sizikova was broken to love serving in the fifth game of the second set, during which she double-faulted twice. Le Parisien...