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 Rb2 draw
3 Rb4 draw
4 Rb8 draw
5 Rd7 draw
6 Re7 draw
7 Rf7 draw
8 Rh7 draw
9 Ka1 loss in 2 half-moves
10 Ka2 loss in 2 half-moves
11 Kb3 loss in 2 half-moves
12 Kbb2 loss in 2 half-moves
13 Kbc1 loss in 2 half-moves
14 Kc3 loss in 2 half-moves
15 Kcb2 loss in 2 half-moves
16 Kcc1 loss in 2 half-moves
17 Kd1 loss in 2 half-moves
18 Kd2 loss in 2 half-moves
19 Kd3 loss in 2 half-moves
20 Ra7 loss in 2 half-moves
21 Rb5 loss in 2 half-moves
22 Rb6 loss in 2 half-moves
23 Rc7 loss in 2 half-moves
24 Rg7 loss in 2 half-moves