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 Kc6 draw
3 Kd6 draw
4 Rd3 draw
5 Rb2 loss in 12 half-moves
6 Kc4 loss in 10 half-moves
7 Rb1 loss in 10 half-moves
8 Rb5 loss in 10 half-moves
9 Kd4 loss in 8 half-moves
10 Kb4 loss in 6 half-moves
11 Kd5 loss in 6 half-moves
12 Ra3 loss in 6 half-moves
13 Kb5 loss in 4 half-moves
14 Kb6 loss in 4 half-moves
15 Rc3 loss in 4 half-moves
16 Rb4 loss in 2 half-moves
17 Rb6 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Re3 loss in 2 half-moves
20 Rf3 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rh3 loss in 2 half-moves