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

EGTB: win in 4 half-moves

# move score
1 K5b4 win in 3 half-moves
2 K5d4 win in 3 half-moves
3 Kb5 win in 3 half-moves
4 Kb6 win in 3 half-moves
5 Kd5 win in 3 half-moves
6 Kd6 win in 3 half-moves
7 Rb4 win in 3 half-moves
8 Rd4 win in 3 half-moves
9 K3d4 win in 5 half-moves
10 Kb2 win in 5 half-moves
11 Kb3 win in 5 half-moves
12 Kc2 win in 5 half-moves
13 Kc6 win in 5 half-moves
14 Kd2 win in 5 half-moves
15 Kd3 win in 5 half-moves
16 K3b4 draw
17 Ra4 draw
18 Re4 draw
19 Rf4 draw
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves