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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Rb1 draw
4 Rb2 draw
5 Rb3 draw
6 Rc7 draw
7 Rd7 draw
8 Rf7 draw
9 Rh7 draw
10 K6e7 loss in 2 half-moves
11 K6f7 loss in 2 half-moves
12 K6g7 loss in 2 half-moves
13 K8e7 loss in 2 half-moves
14 K8f7 loss in 2 half-moves
15 K8g7 loss in 2 half-moves
16 Ke5 loss in 2 half-moves
17 Ke6 loss in 2 half-moves
18 Ke8 loss in 2 half-moves
19 Kf5 loss in 2 half-moves
20 Kg5 loss in 2 half-moves
21 Kg6 loss in 2 half-moves
22 Kg8 loss in 2 half-moves
23 Ra7 loss in 2 half-moves
24 Rb4 loss in 2 half-moves
25 Rb5 loss in 2 half-moves
26 Rb6 loss in 2 half-moves
27 Rb8 loss in 2 half-moves