In World Tour Mode, if you complete the fourth tour with over 750 stars (Ultimate Star ranking), you will be invited to a special bonus tour. In this tour is a very difficult match against a well dressed Brit in a regal, baroque style ballroom/tennis court.
After reaching the ranking of Tennis Hero (600 stars), you unlock a t-shirt of a tennis playing super hero, Tennisman. If you win a tournament while wearing the shirt, Tennisman himself will send you fan mail.
ACHIEVEMENT - HOW TO UNLOCK Moneybags (30 points) - Collect 1000 coins in Coin Match. Wind Master (20 points) - Pop 3 balloons in one Wind Match. Wall Whiz (10 points) - Hit a wall 5 times with the ball in one Wall Match. Hat Tricker (20 points) - Score 3 goals in a row in Ace Striker. Poker Face (30 points) - Get 10 royal straight flushes in Royal Poker. Bomb Fiend (10 points) - Detonate 20 bombs in the opponent's court in Bomb Match. Accomplished (30 points) - Become - Accomplished. Ultimate Star (50 points) - Become - Ultimate Star. Good Partner (20 points) - Acquire 3 doubles partners. World Debut (10 points) - Participate in the World Tour. World Tour Cleared! (20 points) - Clear the game. Famous (20 points) - Become - Famous. Doubles Grand Slammer (20 points) - Clear Doubles Mode. Great King (30 points) - Defeat the King in Arcade Mode Singles. Arcade Star (10 points) - Achieve a player score of 5,000,000 points. Arcade Beginner (10 points) - Clear a stage in Arcade Mode. Doubles Beginner (10 points) - Clear a stage in Arcade Mode Doubles. Grand Slammer (20 points) - Clear Singles Mode. Exhibitionist (10 points) - Play 10 Exhibition Matches. Great Sniper (10 points) - Achieve a 5x Combo in Clay Shooting. Mother Hen (20 points) - Deliver at least 10 chicks simultaneously to their mother in Egg Collector. Arcade Hero (20 points) - Achieve a player score of 7,770,000 points. Medal Collector (20 points) - Earn three Points Won medals. Balloon Popper (10 points) - Pop 30 balloons in Practice Mode. Endless Rally! (20 points) - Sustain a rally for 30 shots. Super Player (40 points) - Hit 100 super shots. Crowd Pleaser (10 points) - Hit a running shot. Big Hitter (40 points) - Hit 250 MAX Serves. Pushing it to the MAX! (20 points) - Hit four consecutive MAX serves. Power Smash! (50 points) - Hit 250 smashes. Swing Machine (20 points) - Swing 5000 times. Best Stroker (20 points) - Win 100 points with ground strokes. Volley Master (20 points) - Win 100 points with volleys. All-Out Player (10 points) - Hit a diving shot. Rocket Server (10 points) - Hit a serve at 200km/h (124.3mph) or faster. Marathon Runner (20 points) - Run 42km (26mi). Tycoon (20 points) - Earn 1,000,000 in total prize money. Shopaholic (20 points) - Purchase 50 types of items in the Kit Catalogue. Online Debut (10 points) - Play online with a customised character. My Style (10 points) - Acquire a play style. 100 Stars! (20 points) - Earn 100 stars. 20 Awards! (30 points) - Earn 20 awards. Online Master (50 points) - Reach Rank A. 10 Wins! (10 points) - Win 10 matches. Loving It! (20 points) - Win 10 Love games. First Online Victory (20 points) - Win a Ranked Match. Online Streak (20 points) - Win three consecutive Ranked Matches. Online Veteran (30 points) - Log 10 hours of online play time.
In Arcade mode, your score is based on the amount of points you score on your opponent. Kicking your opponent's butt will actually earn you less points than if you force a deuce (tied 40-40) and keep going back and forth for as long as possible.