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

EGTB: win in 4 half-moves

# move score
1 Ke5 win in 3 half-moves
2 Kb7 win in 7 half-moves
3 Kc7 win in 7 half-moves
4 Kd7 win in 7 half-moves
5 Rd6 win in 7 half-moves
6 Rd7 win in 7 half-moves
7 Kb8 win in 9 half-moves
8 Kd3 win in 11 half-moves
9 Rd5 win in 11 half-moves
10 Kd5 win in 13 half-moves
11 Ke3 draw
12 Ke4 draw
13 Re8 draw
14 Rf8 draw
15 Rg8 draw
16 Rh8 draw
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Kc5 loss in 2 half-moves