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Abigail Spears, professional female tennis player. Spears, usually a doubles specialist, is photographed during a singles match in 2018 Stock Photo - Alamy
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Porsche Tennis Grand Prix: Laura Siegemund wants to become a doubles specialist - at some point · tennisnet.com
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Certified Tennis Performance Specialist (CTPS) Tennis Training and Tennis Fitness Certification for Personal Trainers and Athletic Trainers - International Tennis Performance Association
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Certified Tennis Performance Specialist (CTPS) Tennis Training and Tennis Fitness Certification for Personal Trainers and Athletic Trainers - International Tennis Performance Association
![Sacramento State Men's Tennis on Twitter: "Team awards continue! Congratulations to junior Ori Maior who received the Doubles Specialist award. Maior went 16-5 in doubles play with 4 different partners. That included Sacramento State Men's Tennis on Twitter: "Team awards continue! Congratulations to junior Ori Maior who received the Doubles Specialist award. Maior went 16-5 in doubles play with 4 different partners. That included](https://pbs.twimg.com/media/FTnhFjrUYAAbHcT.jpg)
Sacramento State Men's Tennis on Twitter: "Team awards continue! Congratulations to junior Ori Maior who received the Doubles Specialist award. Maior went 16-5 in doubles play with 4 different partners. That included
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