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 Ra8 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Ra6 loss in 2 half-moves
9 Rf7 loss in 2 half-moves
10 Rg7 loss in 2 half-moves
11 Rh7 loss in 2 half-moves
12 Kb4 loss in 1 half-moves
13 Kb5 loss in 1 half-moves
14 Kb6 loss in 1 half-moves