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 Kb5 draw
3 Rb1 draw
4 Rb2 draw
5 Rb7 draw
6 Rc6 draw
7 Rd6 draw
8 Re6 draw
9 Rf6 draw
10 Rg6 draw
11 Rh6 draw
12 Ka5 loss in 2 half-moves
13 Ka7 loss in 2 half-moves
14 Kb7 loss in 2 half-moves
15 Rb3 loss in 2 half-moves
16 Rb4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves