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

EGTB: win in 4 half-moves

# move score
1 Rb1 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Ra7 draw
4 Rb3 draw
5 Rb4 draw
6 Rb8 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Kf4 loss in 2 half-moves
13 Kf5 loss in 2 half-moves
14 Kg1 loss in 2 half-moves
15 Kg5 loss in 2 half-moves
16 Kh1 loss in 2 half-moves
17 Kh2 loss in 2 half-moves
18 Kh4 loss in 2 half-moves
19 Kh5 loss in 2 half-moves
20 Rb5 loss in 2 half-moves
21 Rb6 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves
24 Rh7 loss in 2 half-moves
25 K2f3 loss in 1 half-moves
26 K2g3 loss in 1 half-moves
27 K2h3 loss in 1 half-moves
28 K4f3 loss in 1 half-moves
29 K4g3 loss in 1 half-moves
30 K4h3 loss in 1 half-moves