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 Ke4 draw
3 Ke5 draw
4 Kf4 draw
5 Kg5 draw
6 Ra3 draw
7 Ra5 draw
8 Ra6 draw
9 Ra7 draw
10 Ra8 draw
11 Rf4 draw
12 Ke6 loss in 4 half-moves
13 Kf6 loss in 4 half-moves
14 Kg6 loss in 4 half-moves
15 Kg4 loss in 2 half-moves
16 Ra1 loss in 2 half-moves
17 Ra2 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves