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 Kc8 draw
3 Kd8 draw
4 Rb1 draw
5 Rb2 draw
6 Rb3 draw
7 Rb4 draw
8 Rb5 draw
9 Rb7 draw
10 Rg8 draw
11 Rh8 draw
12 Kb6 loss in 2 half-moves
13 Kb7 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd6 loss in 2 half-moves
16 Kd7 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Rd8 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf8 loss in 2 half-moves