| 1 | A | B | C | D | E | F | G | H | I |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | 2018 Loiret's 4th constituency by-election - 2018 by-election result |  |  |  |  |  |  |  |  |
| 3 | Candidate | Candidate | Party | First round | First round | First round | Second round | Second round | Second round |
| 4 | Candidate | Candidate | Party | Votes | % | +/– | Votes | % | +/– |
| 5 | - | Jean-Pierre Door | LR–UDI | 8,330 | 38.20 | +14.41 | 12,632 | 67.08 | +17.07 |
| 6 | - | Mélusine Harlé | REM | 4,406 | 20.20 | –8.35 | 6,199 | 32.92 | –17.07 |
| 7 | - | Ludovic Marchetti | FN | 3,026 | 13.88 | –6.91 | - | - | - |
| 8 | Jalila Gaboret | PS | 1,450 | 6.65 | +1.17 | - | - | - | - |
| 9 | Bruno Nottin | PCF–EELV | 1,300 | 5.96 | –5.64 | - | - | - | - |
| 10 | Luc Bucheton | DLF | 1,140 | 5.23 | +2.22 | - | - | - | - |
| 11 | Jérôme Schmitt | FI | 1,081 | 4.96 | +4.96 | - | - | - | - |
| 12 | Joël-Pierre Chevreux | ECO | 427 | 1.96 | +1.96 | - | - | - | - |
| 13 | Dominique Clergue | LO | 349 | 1.60 | +0.64 | - | - | - | - |
| 14 | Laurent Chaillou | UPR | 177 | 0.81 | +0.16 | - | - | - | - |
| 15 | Nicolas Rousseaux | EXD | 93 | 0.43 | +0.43 | - | - | - | - |
| 16 | Frédéric Chaouat | SE | 29 | 0.13 | +0.13 | - | - | - | - |
| 17 | - | - | - | - | - | - | - | - | - |
| 18 | Votes | Votes | Votes | 21,808 | 100.00 | – | 18,831 | 100.00 | – |
| 19 | - | - | - | - | - | - | - | - | - |
| 20 | Valid votes | Valid votes | Valid votes | 21,808 | 96.97 | –0.90 | 18,831 | 88.88 | –1.05 |
| 21 | Blank votes | Blank votes | Blank votes | 442 | 1.97 | +0.46 | 1,492 | 7.04 | –0.11 |
| 22 | Null votes | Null votes | Null votes | 239 | 1.06 | +0.44 | 865 | 4.08 | +1.17 |
| 23 | Turnout | Turnout | Turnout | 22,489 | 30.36 | –18.60 | 21,188 | 28.61 | –14.76 |
| 24 | Abstentions | Abstentions | Abstentions | 51,574 | 69.64 | +18.60 | 52,866 | 71.39 | +14.76 |
| 25 | Registered voters | Registered voters | Registered voters | 74,063 | - | - | 74,054 | - | - |
| 26 | - | - | - | - | - | - | - | - | - |
| 27 | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret | Source: Préfecture du Loiret |

Question: Who won the second round of the 2018 Loiret's 4th constituency by-election?
Answer: Door won the second round of the 2018 Loiret's 4th constituency by-election with 67.08% of the vote against Mélusine Harlé, candidate of La République En Marche!, with 32.92%.