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

EGTB: win in 4 half-moves

# move score
1 Ka6 win in 3 half-moves
2 Kb6 win in 3 half-moves
3 Ka4 win in 5 half-moves
4 Kb4 win in 5 half-moves
5 Kb5 win in 5 half-moves
6 Rb7 win in 5 half-moves
7 Ra6 win in 9 half-moves
8 Kd6 win in 13 half-moves
9 Ke7 win in 13 half-moves
10 Kf6 win in 15 half-moves
11 Ra8 win in 15 half-moves
12 Kd7 win in 17 half-moves
13 Rd7 win in 17 half-moves
14 Kf7 win in 21 half-moves
15 Kd5 draw
16 Ke5 draw
17 Kf5 draw
18 Rc7 draw
19 Re7 draw
20 Rh7 draw
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves