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

EGTB: draw

# move score
1 Ka6 draw
2 Kb5 draw
3 Kb6 draw
4 Rb8 draw
5 Rc6 draw
6 Rc7 draw
7 Ka4 loss in 6 half-moves
8 Ra8 loss in 4 half-moves
9 Rc5 loss in 4 half-moves
10 Rg8 loss in 4 half-moves
11 Rh8 loss in 4 half-moves
12 Kb4 loss in 2 half-moves
13 Rc2 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd8 loss in 2 half-moves
17 Re8 loss in 2 half-moves
18 Rf8 loss in 2 half-moves
19 Rc1 loss in 1 half-moves