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

EGTB: win in 2 half-moves

# move score
1 Rb7 win in 1 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb4 draw
5 Kb5 draw
6 Kb6 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rf7 draw
11 Ra6 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh7 loss in 2 half-moves