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

EGTB: draw

# move score
1 Kb6 draw
2 Kc4 draw
3 Kc6 draw
4 Kd6 draw
5 Ra8 draw
6 Rb8 draw
7 Rd8 draw
8 Re8 draw
9 Rf8 draw
10 Kb4 loss in 2 half-moves
11 Kb5 loss in 2 half-moves
12 Kd4 loss in 2 half-moves
13 Kd5 loss in 2 half-moves
14 Rc6 loss in 2 half-moves
15 Rc7 loss in 2 half-moves
16 Rg8 loss in 2 half-moves
17 Rh8 loss in 2 half-moves