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

EGTB: win in 10 half-moves

# move score
1 Rb1 win in 9 half-moves
2 Rb2 draw
3 Rb3 draw
4 Rb4 draw
5 Rb8 draw
6 Rc7 draw
7 Rd7 draw
8 Re7 draw
9 Rf7 draw
10 Kd1 loss in 2 half-moves
11 Kd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Ke1 loss in 2 half-moves
14 Ke3 loss in 2 half-moves
15 Kf1 loss in 2 half-moves
16 Kf2 loss in 2 half-moves
17 Kf3 loss in 2 half-moves
18 Kg1 loss in 2 half-moves
19 Kg2 loss in 2 half-moves
20 Kg3 loss in 2 half-moves
21 Kh1 loss in 2 half-moves
22 Kh3 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb5 loss in 2 half-moves
25 Rb6 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves