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