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

EGTB: draw

# move score
1 Kb7 draw
2 Kb8 draw
3 Kc7 draw
4 Kd7 draw
5 Kd8 draw
6 Rb7 draw
7 Rc7 draw
8 Rd7 draw
9 Rf7 loss in 8 half-moves
10 Ra1 loss in 6 half-moves
11 Ra3 loss in 6 half-moves
12 Ra5 loss in 6 half-moves
13 Ra6 loss in 6 half-moves
14 Ra8 loss in 4 half-moves
15 Ra4 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Ra2 loss in 1 half-moves
18 Rg7 loss in 1 half-moves
19 Rh7 loss in 1 half-moves