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

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Rb7 win in 3 half-moves
4 Kb7 win in 9 half-moves
5 Ra8 win in 9 half-moves
6 Ka4 win in 11 half-moves
7 Ka8 win in 11 half-moves
8 Kc7 win in 11 half-moves
9 Kc8 win in 11 half-moves
10 Ka2 draw
11 Kb2 draw
12 Rc7 draw
13 Rd7 draw
14 Re7 draw
15 Rf7 draw
16 Ra4 loss in 2 half-moves
17 Ra5 loss in 2 half-moves
18 Ra6 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves