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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Kb7 draw
3 Kb8 draw
4 Kc7 draw
5 Kd7 draw
6 Kd8 draw
7 Ra3 draw
8 Rb1 draw
9 Rb5 draw
10 Rb6 draw
11 Rb8 draw
12 Rc3 draw
13 Rd3 draw
14 Rf3 draw
15 Rg3 draw
16 Rb2 loss in 2 half-moves
17 Rb7 loss in 2 half-moves
18 Rh3 loss in 2 half-moves
19 Re3 loss in 1 half-moves