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Defending champion Patrick Rafter defeated Mark Philippoussis in the final, 6–3, 3–6, 6–2, 6–0 to win the men's singles tennis title at the 1998 US Open.
Guillermo Cañas was the defending champion, but chose not to participate that year.
Marion Bartoli was the defending champion, but chose not to participate that year.
Kenneth Carlsen but lost in the second round to Robin Söderling.
The 1999 ASB Classic singles was the singles event of the fourteenth edition of the ASB Classic; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in New Zealand. Dominique Van Roost was the defending champion but lost in the final 6–4, 6–1 against Julie Halard-Decugis.
The 1999 ASB Classic doubles was the doubles event of the fourteenth edition of the ASB Classic; a WTA Tier IV tournament and the most prestigious women's tennis tournament held in New Zealand. Nana Miyagi and Tamarine Tanasugarn were the defending champions but did not compete that year.
The 1999 ANZ Tasmanian International singles was the singles event of the sixth edition of the ANZ Tasmanian International. Patty Schnyder was the defending champion but did not compete that year.
The 1999 Nokia Cup was a WTA Tier IV tournament held in Prostějov, Czech Republic, and the only edition of the Nokia Cup. Slovak Henrieta Nagyová won in the final 7–6(7–2), 6–4 against Silvia Farina.
The 1999 IGA SuperThrift Classic singles was the singles event of the fourteenth edition of the IGA SuperThrift Classic; a WTA Tier III tournament held in Oklahoma City, United States. Venus Williams was the defending champion and won in the final 6–4, 6–0 against Amanda Coetzer.
The 1999 Open Gaz de France singles was the singles event of the seventh edition of the Open GDF Suez; a WTA Tier II tournament held in Paris, France. Mary Pierce was the defending champion but did not compete that year.
Serena Williams defeated Steffi Graf in the final, 6–3, 3–6, 7–5 to win the women's singles tennis title at the 1999 Indian Wells Open. It was the second and last time that the two would contest a professional match.
Sjeng Schalken was the defending champion but lost in the first round to Taylor Dent.
Nathalie Tauziat defeated Barbara Schett in the final, 2–6, 6–4, 6–1 to win the women's singles tennis title at the 1999 Kremlin Cup.
Anastasia Myskina was the defending champion, but chose not to participate that year.
Rafael Nadal defeated the defending champion Roger Federer in the final, 2–6, 6–4, 6–4 to win the men's singles tennis title at the 2006 Dubai Tennis Championships.
The 1999 WTA Madrid Open doubles was the doubles event of the fourth edition of the Internationaux de Strasbourg, a WTA Tier III tournament held in Madrid, Spain and part of the European clay court season. Florencia Labat and Dominique Van Roost were the defending champions, but they did not compete this year.
Marion Bartoli was the defending champion, but lost in the second round against Émilie Loit.
Serena Williams defeated Maria Sharapova in the final, 4–6, 6–3, 6–0 to win the women's singles tennis title at the 2013 Miami Open. It was her record sixth Miami Open title, and Sharapova's fifth runner-up finish without winning the title.
Kyle Edmund won the title, defeating Carlos Berlocq in the final 6–0, 6–4.
Elina Svitolina was the defending champion, but chose not to participate this year.