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

EGTB: draw

# move score
1 Ra7 draw
2 Rb7 draw
3 Rc1 draw
4 Rc2 draw
5 Rc3 draw
6 Rc4 draw
7 Rc5 draw
8 Rd7 draw
9 Rf7 draw
10 Rg7 draw
11 Rh7 draw
12 Ka1 loss in 2 half-moves
13 Ka3 loss in 2 half-moves
14 Kb1 loss in 2 half-moves
15 Kb2 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Rc6 loss in 2 half-moves
18 Rc8 loss in 2 half-moves
19 Re7 loss in 2 half-moves