Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Kd7 draw
3 Kd8 draw
4 Ke7 draw
5 Kf7 draw
6 Kf8 draw
7 Rb2 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Rb8 draw
12 Rc3 draw
13 Rd3 draw
14 Re3 draw
15 Rf3 draw
16 Rh3 draw
17 Ra3 loss in 2 half-moves
18 Rb1 loss in 2 half-moves
19 Rg3 loss in 2 half-moves