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

EGTB: win in 4 half-moves

# move score
1 K6b5 win in 3 half-moves
2 K6c5 win in 3 half-moves
3 K6d5 win in 3 half-moves
4 K4b5 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kb6 win in 7 half-moves
7 Rb6 win in 7 half-moves
8 K4c5 draw
9 K4d5 draw
10 Kb7 draw
11 Kc7 draw
12 Kd4 draw
13 Kd6 draw
14 Kd7 draw
15 Ra4 draw
16 Ra5 draw
17 Ra7 draw
18 Ra8 draw
19 Kb3 loss in 2 half-moves
20 Kc3 loss in 2 half-moves
21 Kd3 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Ra2 loss in 2 half-moves
24 Ra3 loss in 2 half-moves