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 Rb7 win in 3 half-moves
5 Rc7 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Ka6 win in 7 half-moves
8 Ra6 win in 7 half-moves
9 Kc7 win in 9 half-moves
10 Kd7 win in 9 half-moves
11 Ka4 win in 13 half-moves
12 Kc6 win in 13 half-moves
13 Ra8 win in 15 half-moves
14 Kc5 draw
15 Kd5 draw
16 Ke5 draw
17 Ke6 draw
18 Ke7 draw
19 Rd7 draw
20 Rf7 draw
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves