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

EGTB: win in 4 half-moves

# move score
1 Rd2 win in 3 half-moves
2 Ka1 draw
3 Ka2 draw
4 Kb2 draw
5 Kbc1 draw
6 Kbc2 draw
7 Kd2 draw
8 Kdc1 draw
9 Kdc2 draw
10 Ke1 draw
11 Ke2 draw
12 Ra6 draw
13 Rb6 draw
14 Rc6 draw
15 Rd3 draw
16 Rd4 draw
17 Rd5 draw
18 Rh6 draw
19 Rd7 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves