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 Rb1 draw
7 Rb3 draw
8 Rb4 draw
9 Rb5 draw
10 Rb6 draw
11 Rc2 draw
12 Rd2 draw
13 Re2 draw
14 Rf2 draw
15 Ra2 loss in 2 half-moves
16 Rb7 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rh2 loss in 2 half-moves