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

EGTB: win in 2 half-moves

# move score
1 Kb5 win in 1 half-moves
2 Rb7 win in 1 half-moves
3 Rd7 win in 1 half-moves
4 Ka3 draw
5 Ka5 draw
6 Ra5 draw
7 Ra6 draw
8 Rc7 draw
9 Rh7 draw
10 Kb3 loss in 2 half-moves
11 Kb4 loss in 2 half-moves
12 Ra8 loss in 2 half-moves
13 Re7 loss in 2 half-moves
14 Rf7 loss in 2 half-moves
15 Rg7 loss in 2 half-moves