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

EGTB: draw

# move score
1 Ka1 draw
2 Ka2 draw
3 Kb2 draw
4 Kc1 draw
5 Kc2 draw
6 Ra8 draw
7 Rb2 draw
8 Rb7 draw
9 Rc8 draw
10 Rd8 draw
11 Re8 draw
12 Rb3 loss in 2 half-moves
13 Rb4 loss in 2 half-moves
14 Rb5 loss in 2 half-moves
15 Rb6 loss in 2 half-moves
16 Rf8 loss in 2 half-moves
17 Rg8 loss in 2 half-moves
18 Rh8 loss in 2 half-moves