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

EGTB: win in 10 half-moves

# move score
1 Rb7 win in 9 half-moves
2 Ka5 draw
3 Ka6 draw
4 Ka7 draw
5 Kbb5 draw
6 Kbb7 draw
7 Kbc5 draw
8 Kcb5 draw
9 Kcc5 draw
10 Rc8 draw
11 Kcb7 loss in 2 half-moves
12 Kd5 loss in 2 half-moves
13 Kd6 loss in 2 half-moves
14 Kd7 loss in 2 half-moves
15 Ra7 loss in 2 half-moves
16 Rd7 loss in 2 half-moves
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves