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

EGTB: win in 4 half-moves

# move score
1 Kcd7 win in 3 half-moves
2 Ked7 draw
3 Rd2 draw
4 Rd3 draw
5 Rd4 draw
6 Kb7 loss in 2 half-moves
7 Kb8 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Ke7 loss in 2 half-moves
10 Kf7 loss in 2 half-moves
11 Kf8 loss in 2 half-moves
12 Rd1 loss in 2 half-moves
13 Rd5 loss in 2 half-moves
14 Rd6 loss in 2 half-moves
15 Rd7 loss in 2 half-moves