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