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 Ka2 draw
3 Kb1 draw
4 Kb2 draw
5 Rb1 draw
6 Rb3 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Rh7 draw
12 Ra7 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rg7 loss in 2 half-moves
15 Rb4 loss in 1 half-moves
16 Rb5 loss in 1 half-moves
17 Rb6 loss in 1 half-moves