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 Rd7 win in 1 half-moves
3 Rh7 win in 1 half-moves
4 Ka6 draw
5 Ka7 draw
6 Rc7 draw
7 Re7 draw
8 Rf7 draw
9 Rg7 draw
10 Ka5 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kc5 loss in 2 half-moves
13 Kc6 loss in 2 half-moves
14 Kc7 loss in 2 half-moves
15 Ra7 loss in 2 half-moves