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

EGTB: win in 2 half-moves

# move score
1 Rd4 win in 1 half-moves
2 Ke1 draw
3 Ke2 draw
4 Ke3 draw
5 Kf1 draw
6 Ra2 draw
7 Ra8 draw
8 Rb4 draw
9 Rc4 draw
10 Re4 draw
11 Ra1 loss in 18 half-moves
12 Kg2 loss in 10 half-moves
13 Kg1 loss in 6 half-moves
14 Kf3 loss in 2 half-moves
15 Kg3 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves