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

EGTB: draw

# move score
1 Ka7 draw
2 Ka8 draw
3 Kb7 draw
4 Kc7 draw
5 Kc8 draw
6 Rb3 draw
7 Rc3 draw
8 Rd3 draw
9 Re4 draw
10 Re5 draw
11 Re6 draw
12 Re7 draw
13 Re8 draw
14 Ra3 loss in 2 half-moves
15 Re1 loss in 2 half-moves
16 Re2 loss in 2 half-moves
17 Rf3 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rh3 loss in 2 half-moves