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

EGTB: win in 2 half-moves

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