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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Rb7 draw
4 Rf7 draw
5 Rg7 draw
6 Rh7 draw
7 Ra1 loss in 2 half-moves
8 Ra2 loss in 2 half-moves
9 Ra3 loss in 2 half-moves
10 Ra4 loss in 2 half-moves
11 Ra5 loss in 2 half-moves
12 Ra6 loss in 2 half-moves
13 Rc7 loss in 2 half-moves
14 Rd7 loss in 2 half-moves
15 Re7 loss in 2 half-moves