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

EGTB: win in 4 half-moves

# move score
1 K5b5 win in 3 half-moves
2 K5b6 win in 3 half-moves
3 K6b5 win in 3 half-moves
4 K6b6 win in 3 half-moves
5 Kb4 win in 3 half-moves
6 Kb7 win in 3 half-moves
7 Kc7 win in 3 half-moves
8 Kd7 win in 3 half-moves
9 Rc7 win in 3 half-moves
10 K5d5 win in 7 half-moves
11 K5d6 win in 7 half-moves
12 K6d6 win in 7 half-moves
13 K6d5 win in 9 half-moves
14 Kc4 draw
15 Kd4 draw
16 Ra8 draw
17 Rg8 draw
18 Rh8 draw
19 Rb8 loss in 2 half-moves
20 Rd8 loss in 2 half-moves
21 Re8 loss in 2 half-moves
22 Rf8 loss in 2 half-moves