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

EGTB: win in 4 half-moves

# move score
1 Rd6 win in 3 half-moves
2 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 R4a5 draw
6 R6a5 draw
7 Rb4 draw
8 Rb6 draw
9 Rc4 draw
10 Rc6 draw
11 Rd4 draw
12 Rh4 draw
13 Rh6 draw
14 Ra2 loss in 2 half-moves
15 Ra3 loss in 2 half-moves
16 Ra7 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rf6 loss in 2 half-moves
22 Rg4 loss in 2 half-moves
23 Rg6 loss in 2 half-moves