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

EGTB: win in 2 half-moves

# move score
1 Rf8 win in 1 half-moves
2 Kb6 draw
3 Kb7 draw
4 Rc8 draw
5 Rd8 draw
6 Re8 draw
7 Rg8 draw
8 Rh8 draw
9 Kc6 loss in 2 half-moves
10 Kc8 loss in 2 half-moves
11 Kd6 loss in 2 half-moves
12 Kd7 loss in 2 half-moves
13 Kd8 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rb4 loss in 2 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rb1 loss in 1 half-moves
20 Rb2 loss in 1 half-moves
21 Rb3 loss in 1 half-moves