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

EGTB: draw

# move score
1 Kb5 draw
2 Kc5 draw
3 Kd5 draw
4 Kd6 draw
5 Kd7 draw
6 Ra8 draw
7 Rb8 draw
8 Rc7 draw
9 Rf8 draw
10 Kb7 loss in 20 half-moves
11 Re8 loss in 20 half-moves
12 Kc7 loss in 18 half-moves
13 Kb6 loss in 10 half-moves
14 Rd8 loss in 2 half-moves
15 Rg8 loss in 2 half-moves
16 Rh8 loss in 2 half-moves