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

EGTB: win in 4 half-moves

# move score
1 Ka5 win in 3 half-moves
2 Ka6 win in 3 half-moves
3 Ka7 win in 3 half-moves
4 Kb5 win in 3 half-moves
5 Kb7 win in 3 half-moves
6 Kc5 win in 3 half-moves
7 Kc6 win in 3 half-moves
8 Kc7 win in 3 half-moves
9 Re1 win in 3 half-moves
10 Re3 win in 3 half-moves
11 Re4 win in 3 half-moves
12 Re7 win in 3 half-moves
13 Rh2 win in 3 half-moves
14 Ra2 win in 5 half-moves
15 Rb2 win in 5 half-moves
16 Rc2 win in 5 half-moves
17 Rd2 win in 5 half-moves
18 Re5 loss in 2 half-moves
19 Re6 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rf2 loss in 2 half-moves
22 Rg2 loss in 2 half-moves