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

EGTB: win in 4 half-moves

# move score
1 Ke2 win in 3 half-moves
2 Kb4 draw
3 Kb6 draw
4 Kc4 draw
5 Kc6 draw
6 Kd4 draw
7 Ke1 draw
8 Kf2 draw
9 Kg1 draw
10 Kg2 draw
11 Rh2 draw
12 Rh3 draw
13 Rh4 draw
14 Rh5 draw
15 Kb5 loss in 2 half-moves
16 Kd5 loss in 2 half-moves
17 Kd6 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves