Click on the third or sixth rank to set the en passant target square.

EGTB: win in 14 half-moves

# move score
1 Ra8 win in 13 half-moves
2 Ka6 draw
3 Ka7 draw
4 Ka8 draw
5 Kb6 draw
6 Kbc8 draw
7 Kdc8 draw
8 Ke8 draw
9 Rc8 draw
10 Kbc7 loss in 2 half-moves
11 Kc6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kdc7 loss in 2 half-moves
14 Ke7 loss in 2 half-moves