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

EGTB: draw

# move score
1 Kc7 draw
2 Kc8 draw
3 Kd7 draw
4 Ke7 draw
5 Ke8 draw
6 Ra1 draw
7 Ra2 draw
8 Ra4 draw
9 Ra6 draw
10 Ra8 draw
11 Rb5 draw
12 Rd5 draw
13 Re5 draw
14 Rf5 draw
15 Rg5 draw
16 Ra3 loss in 2 half-moves
17 Ra7 loss in 2 half-moves
18 Rc5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves