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

EGTB: win in 4 half-moves

# move score
1 Rg6 win in 3 half-moves
2 Rg7 win in 3 half-moves
3 Rg8 win in 3 half-moves
4 Ra4 win in 5 half-moves
5 Ka7 draw
6 Ka8 draw
7 Kbb8 draw
8 Kbc7 draw
9 Kcb8 draw
10 Kcc7 draw
11 Kd7 draw
12 Kd8 draw
13 Re4 draw
14 Rf4 draw
15 Rg5 draw
16 Rh4 draw
17 Ka6 loss in 2 half-moves
18 Kb6 loss in 2 half-moves
19 Kc6 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves
23 Rg1 loss in 2 half-moves
24 Rg2 loss in 2 half-moves
25 Rg3 loss in 2 half-moves