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 Rd8 win in 1 half-moves
3 Re8 win in 1 half-moves
4 Kb7 draw
5 Kb8 draw
6 Ke8 draw
7 Kf7 draw
8 Kg7 draw
9 Kg8 draw
10 Ka6 loss in 1 half-moves
11 Kb6 loss in 1 half-moves
12 Ke7 loss in 1 half-moves
13 Rc8 loss in 1 half-moves