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

EGTB: win in 2 half-moves

# move score
1 Ra8 win in 1 half-moves
2 Kc6 draw
3 Kc7 draw
4 Kc8 draw
5 Kd6 draw
6 Ke7 draw
7 Rb6 draw
8 Rf8 draw
9 Rd8 loss in 10 half-moves
10 Kd8 loss in 8 half-moves
11 Ke8 loss in 8 half-moves
12 Rb7 loss in 8 half-moves
13 Ke6 loss in 6 half-moves
14 Rb1 loss in 4 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re8 loss in 2 half-moves
20 Rg8 loss in 2 half-moves
21 Rh8 loss in 2 half-moves
22 Rb2 loss in 1 half-moves