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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Re7 win in 1 half-moves
3 Ka2 win in 3 half-moves
4 Ka4 win in 3 half-moves
5 Ka6 win in 3 half-moves
6 Ka7 win in 3 half-moves
7 Kb2 win in 3 half-moves
8 Kb3 win in 3 half-moves
9 Kb4 win in 3 half-moves
10 Kc5 win in 3 half-moves
11 Kc6 win in 3 half-moves
12 Kc7 win in 3 half-moves
13 Ra7 win in 3 half-moves
14 Rc7 win in 3 half-moves
15 Ka5 win in 5 half-moves
16 Kb5 win in 5 half-moves
17 Rd7 win in 5 half-moves
18 Rf7 win in 5 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves