Steffi Graf Amelia Island final on clay, Graf lost her first match of the year to Sabatini but returned to European clay with easy victories at Hamburg and Berlin. Graf's Grand Slam tournament winning streak ended at the French Open, where 17-year-old Spaniard Arantxa Sánchez Vicario beat Graf in three sets. Graf served for the match at 5–3 in the third set but lost the game and won only three more points in the match. Suffering from food poisoning, she had struggled to beat Monica Seles in their semifinal 6–3, 3–6, 6–3 and said that she had had menstrual cramps in the
Tennis at the 1988 Summer Olympics – Women's singles Tennis at the 1988 Summer Olympics – Women's singles The Women's Singles competition was part of the tennis program at the 1988 Summer Olympics. Steffi Graf of West Germany defeated Gabriela Sabatini of Argentina in the gold medal match. By winning the gold medal, Steffi Graf finished off her "Calendar Golden Slam" having won all four Grand Slam tournaments and the Olympic gold medal in the same calendar year. Steffi had also beaten Sabatini earlier that summer in the final of the U.S. Open, thus capturing the final leg of the "Grand Slam". All seeds received a bye to the