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

EGTB: win in 4 half-moves

# move score
1 Kb5 win in 3 half-moves
2 Kcb6 win in 3 half-moves
3 Kd5 win in 3 half-moves
4 Kd6 win in 3 half-moves
5 Rb7 win in 3 half-moves
6 Rd7 win in 3 half-moves
7 Rc8 win in 5 half-moves
8 Ka6 draw
9 Ka8 draw
10 Kab6 draw
11 Kb4 draw
12 Kb7 draw
13 Kb8 draw
14 Kc4 draw
15 Kc6 draw
16 Kd4 draw
17 Re7 draw
18 Rc6 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rh7 loss in 2 half-moves