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 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd2 draw
6 Rb1 draw
7 Rb2 draw
8 Rb7 draw
9 Rc6 draw
10 Kd1 loss in 10 half-moves
11 Rb3 loss in 2 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rg6 loss in 2 half-moves
15 Rh6 loss in 2 half-moves
16 Ra6 loss in 1 half-moves
17 Rd6 loss in 1 half-moves
18 Re6 loss in 1 half-moves
19 Rf6 loss in 1 half-moves