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

EGTB: win in 4 half-moves

# move score
1 Ka7 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kb8 win in 3 half-moves
4 Kc5 win in 3 half-moves
5 Kc6 win in 3 half-moves
6 Kc4 draw
7 Ke5 draw
8 Ke6 draw
9 Ra6 draw
10 Rb6 draw
11 Rc6 draw
12 Rd7 draw
13 Rd8 draw
14 Rh6 draw
15 Kd4 loss in 2 half-moves
16 Ke4 loss in 2 half-moves
17 Re6 loss in 2 half-moves
18 Rf6 loss in 2 half-moves
19 Rg6 loss in 2 half-moves