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

EGTB: win in 4 half-moves

# move score
1 Rg2 win in 3 half-moves
2 Rh2 win in 3 half-moves
3 Rf2 win in 5 half-moves
4 Rb1 draw
5 Rb4 draw
6 Rb5 draw
7 Rb6 draw
8 Rc2 draw
9 Rd2 draw
10 Re2 draw
11 Kf5 loss in 2 half-moves
12 Kf6 loss in 2 half-moves
13 Kf7 loss in 2 half-moves
14 Kg5 loss in 2 half-moves
15 Kg8 loss in 2 half-moves
16 Kgg7 loss in 2 half-moves
17 Kgh7 loss in 2 half-moves
18 Kh5 loss in 2 half-moves
19 Kh6 loss in 2 half-moves
20 Khg7 loss in 2 half-moves
21 Khh7 loss in 2 half-moves
22 Ra2 loss in 2 half-moves
23 Rb3 loss in 2 half-moves
24 Rb7 loss in 2 half-moves
25 Rb8 loss in 2 half-moves