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 Rc8 win in 1 half-moves
3 Rd8 win in 1 half-moves
4 Re8 win in 1 half-moves
5 Kb3 draw
6 Kb4 draw
7 Kb5 draw
8 Ka3 loss in 1 half-moves
9 Ka5 loss in 1 half-moves
10 Ke7 loss in 1 half-moves
11 Ke8 loss in 1 half-moves
12 Kf7 loss in 1 half-moves
13 Kg7 loss in 1 half-moves
14 Kg8 loss in 1 half-moves
15 Ra5 loss in 1 half-moves
16 Ra6 loss in 1 half-moves
17 Ra7 loss in 1 half-moves