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
Steffi Graf hard court at the US Open in 1978. Graf then defeated Sabatini 6–3, 6–3 in the gold medal match at the Olympic Games in Seoul and achieved what the media had dubbed the "Golden Slam". The feat has only been achieved by Graf to date. Graf also won her only Grand Slam doubles title that year—at Wimbledon partnering Sabatini—and picked up a women's doubles Olympic bronze medal. At the year-ending Virginia Slims Championships, Graf was upset by Pam Shriver, only her third loss of the year. She was named the 1988 BBC Overseas Sports Personality of the Year. At the