| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Carlos Enrique•Niemes Guzmán |
| Used name | Carlos•Niemes |
| NOC | Ecuador |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 2000 Summer Olympics | Tennis | ECU |
Carlos Niemes | ||||
| Singles, Men (Olympic) | Match #22 | Uladzimir Valchkou — Gastón Gaudio | Chair Umpire | ||||
| Doubles, Men (Olympic) | Match #3 | Spain — Czech Republic | Chair Umpire | ||||
| Doubles, Men (Olympic) | Match #3 | Slovakia — Japan | Chair Umpire | ||||
| Doubles, Men (Olympic) | Match #15 | The Bahamas — Portugal | Chair Umpire | ||||
| Singles, Women (Olympic) | Match #5 | Sabine Appelmans — Sonya Jeyaseelan | Chair Umpire | ||||
| Doubles, Women (Olympic) | Match #13 | Hungary — South Africa | Chair Umpire |