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

EGTB: win in 4 half-moves

# move score
1 Rd8 win in 3 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Kd5 draw
6 Ke3 draw
7 Ke5 draw
8 Kf3 draw
9 Kf5 draw
10 Rd3 draw
11 Rd5 draw
12 Rd6 draw
13 Rd7 draw
14 Kd3 loss in 2 half-moves
15 Kf4 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd2 loss in 2 half-moves