Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Re4 win in 3 half-moves
2 Kd5 win in 5 half-moves
3 Kd7 win in 5 half-moves
4 Ke5 win in 5 half-moves
5 Ke7 win in 5 half-moves
6 Re5 win in 5 half-moves
7 Re7 win in 5 half-moves
8 Kc5 win in 7 half-moves
9 Kf2 win in 7 half-moves
10 Kc7 win in 9 half-moves
11 Kc6 win in 13 half-moves
12 Ke4 win in 13 half-moves
13 Re8 win in 17 half-moves
14 Ke2 draw
15 Kd2 loss in 2 half-moves
16 Kd3 loss in 2 half-moves
17 Kd4 loss in 2 half-moves
18 Kf3 loss in 2 half-moves
19 Kf4 loss in 2 half-moves
20 Rf6 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves