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 Kcb6 win in 3 half-moves
3 Rb8 win in 3 half-moves
4 Rd8 win in 3 half-moves
5 Ka4 win in 5 half-moves
6 Kb4 win in 5 half-moves
7 Kc7 win in 5 half-moves
8 Kcb5 win in 5 half-moves
9 Rc7 win in 5 half-moves
10 Ra8 win in 9 half-moves
11 Ka6 draw
12 Kab5 draw
13 Kab6 draw
14 Kc5 draw
15 Kd5 draw
16 Kd6 draw
17 Kd7 draw
18 Re8 draw
19 Rf8 draw
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves