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 Kcb5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rd7 win in 3 half-moves
7 Ka3 win in 5 half-moves
8 Kb3 win in 5 half-moves
9 Ka5 win in 7 half-moves
10 Kab5 win in 7 half-moves
11 Kb4 win in 7 half-moves
12 Kb7 win in 7 half-moves
13 Ra7 win in 7 half-moves
14 Re7 win in 7 half-moves
15 Kd7 win in 19 half-moves
16 Kc5 draw
17 Rc8 draw
18 Rf7 draw
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves