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 Kb6 win in 3 half-moves
3 Rb6 win in 3 half-moves
4 Kaa5 win in 5 half-moves
5 Kab4 win in 5 half-moves
6 Ra7 win in 5 half-moves
7 Rd7 win in 7 half-moves
8 Re7 win in 7 half-moves
9 Rf7 win in 7 half-moves
10 Rg7 win in 7 half-moves
11 Rh7 draw
12 Ka3 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kba5 loss in 2 half-moves
16 Kbb4 loss in 2 half-moves
17 Kc4 loss in 2 half-moves
18 Kc5 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Rc7 loss in 2 half-moves