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

EGTB: win in 4 half-moves

# move score
1 Rd5 win in 3 half-moves
2 Kc7 draw
3 Kc8 draw
4 Kd5 draw
5 Kd6 draw
6 Kd7 draw
7 Ke4 draw
8 Ke6 draw
9 Ke7 draw
10 Ke8 draw
11 Kf4 draw
12 Kf5 draw
13 Kf6 draw
14 Rc1 draw
15 Rc6 draw
16 Rc7 draw
17 Rc8 draw
18 Kd4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rc2 loss in 2 half-moves
22 Rc3 loss in 2 half-moves
23 Rc4 loss in 2 half-moves