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 Kc3 draw
3 Kc5 draw
4 Rb1 draw
5 Rb2 draw
6 Rb4 draw
7 Rd3 draw
8 Kd4 loss in 8 half-moves
9 Ra3 loss in 8 half-moves
10 Re3 loss in 8 half-moves
11 Kb4 loss in 6 half-moves
12 Rc3 loss in 6 half-moves
13 Kb5 loss in 4 half-moves
14 Kd3 loss in 4 half-moves
15 Kd5 loss in 4 half-moves
16 Rb5 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rf3 loss in 2 half-moves
20 Rg3 loss in 2 half-moves
21 Rh3 loss in 2 half-moves