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 Ra2 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Rb5 draw
12 Rc5 draw
13 Ra7 loss in 2 half-moves
14 Ra8 loss in 2 half-moves
15 Rd5 loss in 2 half-moves
16 Re5 loss in 2 half-moves
17 Rf5 loss in 2 half-moves
18 Rg5 loss in 2 half-moves
19 Rh5 loss in 2 half-moves