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

EGTB: win in 4 half-moves

# move score
1 Rb3 win in 3 half-moves
2 Rb4 draw
3 Rb8 draw
4 Rc7 draw
5 Rd7 draw
6 Re7 draw
7 Rh7 draw
8 Kaa1 loss in 2 half-moves
9 Kaa3 loss in 2 half-moves
10 Kab1 loss in 2 half-moves
11 Kab3 loss in 2 half-moves
12 Kba1 loss in 2 half-moves
13 Kba3 loss in 2 half-moves
14 Kbb1 loss in 2 half-moves
15 Kbb3 loss in 2 half-moves
16 Kc1 loss in 2 half-moves
17 Kc2 loss in 2 half-moves
18 Kc3 loss in 2 half-moves
19 Ra7 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves