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 Kg3 draw
3 Kg4 draw
4 Kh4 draw
5 Ra2 draw
6 Ra3 draw
7 Rc4 draw
8 Rd4 draw
9 Re4 draw
10 Kg2 loss in 6 half-moves
11 Kh2 loss in 4 half-moves
12 Ra5 loss in 4 half-moves
13 Ra6 loss in 2 half-moves
14 Ra7 loss in 2 half-moves
15 Ra8 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Ra1 loss in 1 half-moves