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

EGTB: draw

# move score
1 Kb5 draw
2 Kc5 draw
3 Kd5 draw
4 Kb3 loss in 2 half-moves
5 Kb4 loss in 2 half-moves
6 Kd3 loss in 2 half-moves
7 Kd4 loss in 2 half-moves
8 Ra3 loss in 2 half-moves
9 Rb3 loss in 2 half-moves
10 Rc1 loss in 2 half-moves
11 Rc2 loss in 2 half-moves
12 Rd3 loss in 2 half-moves
13 Re3 loss in 2 half-moves
14 Rf3 loss in 2 half-moves
15 Rg3 loss in 2 half-moves
16 Rh3 loss in 2 half-moves