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

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ka1 draw
3 Ka4 draw
4 Kaa3 draw
5 Kab2 draw
6 Kb1 draw
7 Kb4 draw
8 Kba3 draw
9 Kbb2 draw
10 Ra7 draw
11 Rb5 draw
12 Rb6 draw
13 Rb8 draw
14 Rc7 draw
15 Rh7 draw
16 Kc2 loss in 2 half-moves
17 Kc3 loss in 2 half-moves
18 Kc4 loss in 2 half-moves
19 Rd7 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves