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 Kb8 draw
4 Ra7 draw
5 Rb3 draw
6 Rb5 draw
7 Rb6 draw
8 Rf7 draw
9 Rb1 loss in 2 half-moves
10 Rb2 loss in 2 half-moves
11 Rb8 loss in 2 half-moves
12 Rc7 loss in 2 half-moves
13 Rd7 loss in 2 half-moves
14 Re7 loss in 2 half-moves
15 Rg7 loss in 1 half-moves
16 Rh7 loss in 1 half-moves