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

EGTB: win in 2 half-moves

# move score
1 Rb5 win in 1 half-moves
2 Kd5 draw
3 Kd6 draw
4 Kd7 draw
5 Ke5 draw
6 Kf5 draw
7 Kf6 draw
8 Ra1 draw
9 Ra4 draw
10 Ra6 draw
11 Ra7 draw
12 Rf5 draw
13 Ke7 loss in 4 half-moves
14 Kf7 loss in 4 half-moves
15 Ra2 loss in 2 half-moves
16 Ra3 loss in 2 half-moves
17 Rc5 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves
22 Ra8 loss in 1 half-moves