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 Kc7 draw
4 Kc8 draw
5 Ra7 draw
6 Rb4 draw
7 Rb5 draw
8 Rb6 draw
9 Rc7 draw
10 Rg7 draw
11 Rh7 draw
12 Rb1 loss in 2 half-moves
13 Rb2 loss in 2 half-moves
14 Rb3 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rf7 loss in 2 half-moves