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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kb6 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Rb7 win in 3 half-moves
7 Rc8 win in 5 half-moves
8 Kc6 win in 7 half-moves
9 Ra7 win in 7 half-moves
10 Kc8 win in 9 half-moves
11 Ka7 draw
12 Ka8 draw
13 Kb7 draw
14 Kc4 draw
15 Kd4 draw
16 Rd7 draw
17 Re7 draw
18 Rf7 draw
19 Rc6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves