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 Rb4 draw
7 Rc4 draw
8 Rd1 draw
9 Rd3 draw
10 Rd5 draw
11 Rd6 draw
12 Rd7 draw
13 Re4 draw
14 Rf4 draw
15 Rg4 draw
16 Ra4 loss in 2 half-moves
17 Rd2 loss in 2 half-moves
18 Rd8 loss in 2 half-moves
19 Rh4 loss in 2 half-moves