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

EGTB: win in 4 half-moves

# move score
1 Kd6 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 Kc7 win in 7 half-moves
4 Kg8 win in 7 half-moves
5 Rc7 win in 7 half-moves
6 Kg7 win in 11 half-moves
7 Kb5 draw
8 Kb6 draw
9 Kb7 draw
10 Kc5 draw
11 Kd5 draw
12 Kh7 draw
13 Ra8 draw
14 Rb8 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 loss in 2 half-moves