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

EGTB: win in 6 half-moves

# move score
1 Rg1 win in 5 half-moves
2 Rb4 draw
3 Rg7 draw
4 Kc1 loss in 2 half-moves
5 Kc2 loss in 2 half-moves
6 Kdd2 loss in 2 half-moves
7 Kde2 loss in 2 half-moves
8 Ked2 loss in 2 half-moves
9 Kee2 loss in 2 half-moves
10 Kf1 loss in 2 half-moves
11 Kf2 loss in 2 half-moves
12 Ra4 loss in 2 half-moves
13 Rc4 loss in 2 half-moves
14 Rd4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg2 loss in 2 half-moves
18 Rg3 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rg6 loss in 2 half-moves
21 Rg8 loss in 2 half-moves
22 Rh4 loss in 2 half-moves