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

EGTB: draw

# move score
1 Kb7 draw
2 Kc7 draw
3 Kd7 draw
4 Rc7 draw
5 Rb8 loss in 8 half-moves
6 Kd6 loss in 6 half-moves
7 Ra8 loss in 6 half-moves
8 Kb5 loss in 4 half-moves
9 Kb6 loss in 4 half-moves
10 Kc5 loss in 2 half-moves
11 Kd5 loss in 2 half-moves
12 Rd8 loss in 2 half-moves
13 Re8 loss in 2 half-moves
14 Rf8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 1 half-moves