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

EGTB: draw

# move score
1 Kb7 draw
2 Rd8 draw
3 Re8 draw
4 Rf8 draw
5 Ka6 loss in 2 half-moves
6 Ka7 loss in 2 half-moves
7 Kc6 loss in 2 half-moves
8 Kc7 loss in 2 half-moves
9 Ra8 loss in 2 half-moves
10 Rb7 loss in 2 half-moves
11 Rc8 loss in 2 half-moves
12 Rg8 loss in 2 half-moves
13 Rh8 loss in 2 half-moves
14 Ka5 loss in 1 half-moves
15 Kb5 loss in 1 half-moves
16 Kc5 loss in 1 half-moves