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