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 Kf4 draw
3 Kg4 draw
4 Kh2 draw
5 Kh3 draw
6 Kh4 draw
7 Ra3 draw
8 Ra5 draw
9 Ra6 draw
10 Ra8 draw
11 Rf4 draw
12 Rh4 draw
13 Kf2 loss in 2 half-moves
14 Kf3 loss in 2 half-moves
15 Kg2 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Ra7 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rd4 loss in 2 half-moves
21 Re4 loss in 2 half-moves
22 Rg4 loss in 2 half-moves