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

EGTB: win in 4 half-moves

# move score
1 Kb6 win in 3 half-moves
2 Kb7 win in 3 half-moves
3 Kcb5 win in 3 half-moves
4 Kd5 win in 3 half-moves
5 Kd6 win in 3 half-moves
6 Kd7 win in 3 half-moves
7 Ra7 win in 3 half-moves
8 Rd7 win in 3 half-moves
9 Ka3 win in 5 half-moves
10 Kb3 win in 5 half-moves
11 Kc3 win in 5 half-moves
12 Rb7 win in 5 half-moves
13 Ka4 win in 7 half-moves
14 Ka5 win in 7 half-moves
15 Kbb5 win in 7 half-moves
16 Kbc5 win in 7 half-moves
17 Kc4 win in 7 half-moves
18 Re7 win in 7 half-moves
19 Kcc5 draw
20 Rc8 draw
21 Rf7 draw
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves