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

EGTB: draw

# move score
1 Kb6 draw
2 Rc7 draw
3 Rd7 draw
4 Ka6 loss in 2 half-moves
5 Ka8 loss in 2 half-moves
6 Kb8 loss in 2 half-moves
7 Kg5 loss in 2 half-moves
8 Kg6 loss in 2 half-moves
9 Kg7 loss in 2 half-moves
10 Kh5 loss in 2 half-moves
11 Re7 loss in 2 half-moves
12 Rf7 loss in 2 half-moves
13 Rg7 loss in 2 half-moves
14 Rh8 loss in 2 half-moves
15 Kb7 loss in 1 half-moves
16 Rb7 loss in 1 half-moves