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 Rb8 draw
5 Rc7 draw
6 Rd7 draw
7 Re7 draw
8 Rh7 draw
9 Kc2 loss in 2 half-moves
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Kd4 loss in 2 half-moves
14 Kde2 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke3 loss in 2 half-moves
17 Ke4 loss in 2 half-moves
18 Kf2 loss in 2 half-moves
19 Kfe2 loss in 2 half-moves
20 Kg1 loss in 2 half-moves
21 Kg2 loss in 2 half-moves
22 Ra7 loss in 2 half-moves
23 Rb4 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rf7 loss in 2 half-moves
27 Rg7 loss in 2 half-moves