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 Ka5 draw
3 Ka7 draw
4 Kb5 draw
5 Kb6 draw
6 Kb7 draw
7 Kc5 draw
8 Kc6 draw
9 Kc7 draw
10 Kd5 draw
11 Kd7 draw
12 Ke5 draw
13 Ke6 draw
14 Ra4 draw
15 Rb4 draw
16 Rc4 draw
17 Re4 draw
18 Rf4 draw
19 Ke7 loss in 2 half-moves
20 Rd1 loss in 2 half-moves
21 Rd2 loss in 2 half-moves
22 Rd3 loss in 2 half-moves
23 Rg4 loss in 2 half-moves
24 Rh4 loss in 2 half-moves