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

EGTB: win in 22 half-moves

# move score
1 Kb4 win in 21 half-moves
2 Ka4 draw
3 Ka6 draw
4 Kb5 draw
5 Kb6 draw
6 Ra6 draw
7 Ra8 draw
8 Re7 draw
9 Rf7 draw
10 Rg7 draw
11 Rh7 draw
12 Rb7 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves