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 Kb8 win in 3 half-moves
3 Kd7 win in 3 half-moves
4 Kd8 win in 3 half-moves
5 Ra6 win in 3 half-moves
6 Rb6 win in 3 half-moves
7 Rd6 win in 3 half-moves
8 Ka7 draw
9 Ke7 draw
10 Kf7 draw
11 Kf8 draw
12 Rc2 draw
13 Rc7 draw
14 Rc8 draw
15 Re6 draw
16 Rf6 draw
17 Rc1 loss in 2 half-moves
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rg6 loss in 2 half-moves
22 Rh6 loss in 2 half-moves