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

EGTB: draw

# move score
1 Kb5 draw
2 Kb6 draw
3 Kb7 draw
4 Kc5 draw
5 Kcc7 draw
6 Kcd6 draw
7 Kd5 draw
8 Kd8 draw
9 Kdc7 draw
10 Kdd6 draw
11 Ke6 draw
12 Ke7 draw
13 Ke8 draw
14 Rc7 draw
15 Rd8 draw
16 Re8 draw
17 Rf8 draw
18 Rg8 draw
19 Rh8 draw
20 Ra8 loss in 1 half-moves
21 Rb8 loss in 1 half-moves