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 Rb7 draw
3 Rb8 draw
4 Rc6 draw
5 Rd6 draw
6 Re6 draw
7 Rh6 draw
8 Ka1 loss in 2 half-moves
9 Ka2 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kbb1 loss in 2 half-moves
13 Kbc2 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kcb1 loss in 2 half-moves
16 Kcc2 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Ra6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rf6 loss in 2 half-moves
23 Rg6 loss in 2 half-moves