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