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

EGTB: win in 4 half-moves

# move score
1 a2 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 Rc2 win in 3 half-moves
4 Rd2 win in 3 half-moves
5 Kf2 win in 5 half-moves
6 Kf3 win in 5 half-moves
7 Kg2 win in 5 half-moves
8 Kh2 win in 5 half-moves
9 Kh3 win in 5 half-moves
10 Ra2 win in 5 half-moves
11 Rb1 win in 5 half-moves
12 Rb3 win in 5 half-moves
13 Rb4 win in 5 half-moves
14 Rg2 win in 5 half-moves
15 Kf4 loss in 2 half-moves
16 Kg4 loss in 2 half-moves
17 Kh4 loss in 2 half-moves
18 Rb5 loss in 2 half-moves
19 Rb6 loss in 2 half-moves
20 Rb8 loss in 2 half-moves
21 Re2 loss in 2 half-moves
22 Rf2 loss in 2 half-moves
23 Rh2 loss in 2 half-moves