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

EGTB: draw

# move score
1 Ka7 draw
2 Kb5 draw
3 Kb6 draw
4 Rd7 draw
5 Rf7 draw
6 Ra7 loss in 6 half-moves
7 Ka5 loss in 4 half-moves
8 Rb1 loss in 4 half-moves
9 Rb2 loss in 4 half-moves
10 Rb3 loss in 4 half-moves
11 Rc7 loss in 4 half-moves
12 Rb4 loss in 2 half-moves
13 Rb5 loss in 2 half-moves
14 Rb6 loss in 2 half-moves
15 Rb8 loss in 2 half-moves
16 Rg7 loss in 2 half-moves
17 Rh7 loss in 2 half-moves
18 Re7 loss in 1 half-moves