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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ka7 draw
3 Kb7 draw
4 Kb8 draw
5 Rb1 draw
6 Rb2 draw
7 Rb4 draw
8 Rb5 draw
9 Rb8 draw
10 Rc6 draw
11 Rd6 draw
12 Re6 draw
13 Rf6 draw
14 Rg6 draw
15 Rh6 draw
16 Ra6 loss in 2 half-moves
17 Rb7 loss in 2 half-moves