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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kc3 draw
3 Ke3 draw
4 Ra2 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Kc4 loss in 8 half-moves
9 Kd4 loss in 8 half-moves
10 Ra3 loss in 8 half-moves
11 Kc2 loss in 6 half-moves
12 Kd2 loss in 6 half-moves
13 Ra1 loss in 6 half-moves
14 Ke2 loss in 4 half-moves
15 Ke4 loss in 2 half-moves
16 Ra5 loss in 2 half-moves
17 Ra6 loss in 2 half-moves
18 Ra8 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Ra7 loss in 1 half-moves