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Ace is not a tennis shot - Serve is. Ace belongs to Glossary of tennis terms, which also includes double faults, winners, unforced errors, etc. --Aree (talk) 20:33, 10 September 2012 (UTC)
But we have an article about Ace (tennis) and not about double faults, winners, unforced errors. A navigation box like this is meant to link related articles and place them in groups. "Tennis shots" is close enough. I don't see a better option. PrimeHunter (talk) 22:04, 10 September 2012 (UTC)