2015 TCR International Series Portimão round
The 2015 TCR International Series Portimão round was the fourth round of the 2015 TCR International Series season. It took place on 10 May at the Algarve International Circuit.
Nicki Thiim won the first race, starting from pole position, driving an Audi TT Cup and Michel Nykjær gained the second one, driving a SEAT León Cup Racer.Due to the results obtained in the previous round, Pepe Oriola received +30 kg, Stefano Comini +20 kg and Michel Nykjær +10 kg.Classification
Qualifying
Race 2
Notes:
;Drivers' Championship standings
| Pos | Driver | Points |
| 1 |  Stefano Comini | 116 |
| 1 | 2 |  Pepe Oriola | 104 |
| 1 | 3 |  Gianni Morbidelli | 91 |
| 2 | 4 | Jordi Gené | 90 |
| 5 |  Kevin Gleason | 81 |
;Teams' Championship standings
| Pos | Driver | Points |
| 1 | Target Competition | 248 |
| 2 |  Team Craft-Bamboo Lukoil | 222 |
| 3 |  WestCoast Racing | 194 |
| 4 |  Liqui Moly Team Engstler | 121 |
| 5 |  Veloso Motorsport | 26 |
- Note: Only the top five positions are included for both sets of drivers' standings.
