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

EGTB: win in 2 half-moves

# move score
1 Kb7 win in 1 half-moves
2 K4b5 draw
3 Ka3 draw
4 Kb3 draw
5 Kb4 draw
6 Kb6 draw
7 Rb5 draw
8 Re5 draw
9 K6b5 loss in 2 half-moves
10 Rc5 loss in 2 half-moves
11 Rd5 loss in 2 half-moves
12 Rf5 loss in 2 half-moves
13 Rg5 loss in 2 half-moves
14 Rh5 loss in 2 half-moves
15 Ka7 loss in 1 half-moves