In honor of the recent retirement of the Argentinian champion - Juan Martin del Potro. A career in some ways defined by the 'what if's?' - here is a brief overview of the exhilarating battles of ecstasy and agony that he produced. As always, merely an opinion. Additionally, this list is defined as Del Potro's best 'matches' - not his best wins, as that would indeed look much different. These totals are produced with some regard put toward the outcome, but not a large amount.
1. 2012 Olympics Semifinal -- v Roger Federer -- 36, 76, 1917 (L)
2. 2016 Davis Cup Semifinal -- v Andy Murray -- 64, 57, 67, 63, 64 (W)
3. 2013 Wimbledon Semifinal -- v Novak Djokovic -- 75, 46, 76, 67, 63 (L)
4. 2018 Wimbledon Quarterfinal -- v Rafael Nadal -- 75, 67, 46, 64, 64 (L)
5. 2016 Davis Cup Final -- v Marin Cilic -- 67, 26, 75, 64, 63 (W)
6. 2019 Rome Quarterfinal -- v Novak Djokovic -- 46, 76, 64 (L)
7. 2009 US Open Final -- v Roger Federer -- 36, 76, 46, 76, 62 (W)
8. 2017 US Open Round of 16 -- v Dominic Thiem -- 16, 26, 61, 76, 64 (W)
9. 2009 French Open Semifinal -- v Roger Federer -- 36, 76, 26, 61, 64 (L)
10. 2016 Olympics Semifinal -- v Rafael Nadal -- 57, 64, 76 (W)
1. 2012 Olympics Semifinal -- v Roger Federer -- 36, 76, 1917 (L)
2. 2016 Davis Cup Semifinal -- v Andy Murray -- 64, 57, 67, 63, 64 (W)
3. 2013 Wimbledon Semifinal -- v Novak Djokovic -- 75, 46, 76, 67, 63 (L)
4. 2018 Wimbledon Quarterfinal -- v Rafael Nadal -- 75, 67, 46, 64, 64 (L)
5. 2016 Davis Cup Final -- v Marin Cilic -- 67, 26, 75, 64, 63 (W)
6. 2019 Rome Quarterfinal -- v Novak Djokovic -- 46, 76, 64 (L)
7. 2009 US Open Final -- v Roger Federer -- 36, 76, 46, 76, 62 (W)
8. 2017 US Open Round of 16 -- v Dominic Thiem -- 16, 26, 61, 76, 64 (W)
9. 2009 French Open Semifinal -- v Roger Federer -- 36, 76, 26, 61, 64 (L)
10. 2016 Olympics Semifinal -- v Rafael Nadal -- 57, 64, 76 (W)