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