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 Rb7 win in 3 half-moves
4 Rc7 win in 3 half-moves
5 Rd7 win in 3 half-moves
6 Re7 win in 3 half-moves
7 Kb5 win in 7 half-moves
8 Kc8 win in 7 half-moves
9 Ke8 win in 7 half-moves
10 Ke7 win in 15 half-moves
11 Kc7 win in 19 half-moves
12 Kd7 win in 19 half-moves
13 Ra8 win in 19 half-moves
14 Ka5 win in 21 half-moves
15 Rf7 draw
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves