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

EGTB: win in 4 half-moves

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