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

EGTB: win in 4 half-moves

# move score
1 Rd7 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Ka5 draw
5 Ka6 draw
6 Ka7 draw
7 Kb2 draw
8 Kb5 draw
9 Kb7 draw
10 Kc1 draw
11 Kc2 draw
12 Kc5 draw
13 Kc6 draw
14 Kc7 draw
15 Ra3 draw
16 Rb3 draw
17 Rc3 draw
18 Rd4 draw
19 Rd5 draw
20 Rd6 draw
21 Rd8 draw
22 Re3 draw
23 Rd1 loss in 2 half-moves
24 Rd2 loss in 2 half-moves
25 Rf3 loss in 2 half-moves
26 Rg3 loss in 2 half-moves
27 Rh3 loss in 2 half-moves