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 R6a7 draw
7 R8a7 draw
8 Ra2 draw
9 Rb6 draw
10 Rb8 draw
11 Rc6 draw
12 Rc8 draw
13 Rd6 draw
14 Re6 draw
15 Rf6 draw
16 Ra1 loss in 2 half-moves
17 Ra3 loss in 2 half-moves
18 Ra4 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rh6 loss in 2 half-moves