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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Kb5 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Rb5 win in 3 half-moves
5 Kb7 win in 7 half-moves
6 Kc7 win in 7 half-moves
7 Kd7 win in 7 half-moves
8 Rc7 win in 7 half-moves
9 Kb3 draw
10 Kb8 draw
11 Kc3 draw
12 Kd3 draw
13 Kd4 draw
14 Kd8 draw
15 Ra5 draw
16 Rc6 draw
17 Rd5 draw
18 Re5 draw
19 Rf5 loss in 2 half-moves
20 Rg5 loss in 2 half-moves
21 Rh5 loss in 2 half-moves