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

EGTB: win in 4 half-moves

# move score
1 Rd4 win in 3 half-moves
2 Kb4 draw
3 Kb5 draw
4 Kb6 draw
5 Kc1 draw
6 Kc2 draw
7 Kc3 draw
8 Kc4 draw
9 Kc6 draw
10 Kd1 draw
11 Kd3 draw
12 Ke1 draw
13 Ke2 draw
14 Ke3 draw
15 Ra8 draw
16 Rb8 draw
17 Rc8 draw
18 Rd3 draw
19 Rh8 draw
20 Kd4 loss in 2 half-moves
21 Kd5 loss in 2 half-moves
22 Kd6 loss in 2 half-moves
23 Rd5 loss in 2 half-moves
24 Rd6 loss in 2 half-moves
25 Rd7 loss in 2 half-moves
26 Re8 loss in 2 half-moves
27 Rf8 loss in 2 half-moves
28 Rg8 loss in 2 half-moves