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

EGTB: win in 4 half-moves

# move score
1 Rf7 win in 3 half-moves
2 Rh7 win in 3 half-moves
3 Rb2 draw
4 Rb3 draw
5 Rb4 draw
6 Rb5 draw
7 Rc7 draw
8 Rd7 draw
9 Re7 draw
10 Rg7 draw
11 K6f7 loss in 2 half-moves
12 K6g7 loss in 2 half-moves
13 K6h7 loss in 2 half-moves
14 K8f7 loss in 2 half-moves
15 K8g7 loss in 2 half-moves
16 K8h7 loss in 2 half-moves
17 Kf5 loss in 2 half-moves
18 Kf6 loss in 2 half-moves
19 Kf8 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kh5 loss in 2 half-moves
22 Kh6 loss in 2 half-moves
23 Kh8 loss in 2 half-moves
24 Ra7 loss in 2 half-moves
25 Rb1 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rb8 loss in 2 half-moves