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