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 Ke6 win in 3 half-moves
4 Ke8 win in 3 half-moves
5 Kf6 win in 3 half-moves
6 Kf8 win in 3 half-moves
7 Rc8 win in 3 half-moves
8 Re7 win in 3 half-moves
9 Ka7 draw
10 Ke7 draw
11 Kg7 draw
12 Kg8 draw
13 Rc3 draw
14 Rc4 draw
15 Rc5 draw
16 Rc6 draw
17 Rd7 draw
18 Kg6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb7 loss in 2 half-moves
21 Rc1 loss in 2 half-moves
22 Rc2 loss in 2 half-moves