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

EGTB: win in 4 half-moves

# move score
1 Rb2 win in 3 half-moves
2 Rb1 draw
3 Rb3 draw
4 Rb4 draw
5 Rb5 draw
6 Rb6 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Rh7 draw
11 Kb4 loss in 2 half-moves
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kd1 loss in 2 half-moves
17 Kd2 loss in 2 half-moves
18 Kd4 loss in 2 half-moves
19 Kd5 loss in 2 half-moves
20 Kd6 loss in 2 half-moves
21 Ke2 loss in 2 half-moves
22 Kf1 loss in 2 half-moves
23 Kf2 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves
26 Rc7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves