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

EGTB: win in 2 half-moves

# move score
1 Rb8 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Kd8 draw
7 Ra1 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Ra7 draw
12 Rc8 draw
13 Rd8 draw
14 Re8 draw
15 Rf8 draw
16 Rg8 draw
17 Ke6 loss in 2 half-moves
18 Ke7 loss in 2 half-moves
19 Ke8 loss in 2 half-moves
20 Ra5 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Ra2 loss in 1 half-moves