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

EGTB: win in 2 half-moves

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