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

EGTB: draw

# move score
1 Kc1 draw
2 Kc2 draw
3 Kd2 draw
4 Ke1 draw
5 Ke2 draw
6 Ra1 draw
7 Ra3 draw
8 Ra5 draw
9 Ra6 draw
10 Ra7 draw
11 Rb4 draw
12 Rd4 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Ra2 loss in 2 half-moves
17 Ra8 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rh4 loss in 2 half-moves