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

EGTB: win in 4 half-moves

# move score
1 Kc4 win in 3 half-moves
2 Kd4 win in 3 half-moves
3 Kb5 draw
4 Kb6 draw
5 Kc6 draw
6 Kd5 draw
7 Kd6 draw
8 Re5 draw
9 Rf5 draw
10 Rg5 draw
11 Rh3 draw
12 Rh4 draw
13 Rh6 draw
14 Rh7 draw
15 Rh8 draw
16 Kb4 loss in 2 half-moves
17 Rd5 loss in 2 half-moves
18 Rh1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves