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 Ra3 draw
3 Ra4 draw
4 Ra5 draw
5 Kc7 loss in 2 half-moves
6 Kc8 loss in 2 half-moves
7 Kdd7 loss in 2 half-moves
8 Kde7 loss in 2 half-moves
9 Ked7 loss in 2 half-moves
10 Kee7 loss in 2 half-moves
11 Kf7 loss in 2 half-moves
12 Kf8 loss in 2 half-moves
13 Ra1 loss in 2 half-moves
14 Ra2 loss in 2 half-moves
15 Ra6 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Rc8 loss in 2 half-moves