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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Rc4 draw
3 Rd4 draw
4 Rg5 draw
5 Rg6 draw
6 Rg7 draw
7 Rg8 draw
8 Kc5 loss in 4 half-moves
9 Kc6 loss in 2 half-moves
10 Kd6 loss in 2 half-moves
11 Ke4 loss in 2 half-moves
12 Ke5 loss in 2 half-moves
13 Ke6 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Re4 loss in 2 half-moves
16 Rf4 loss in 2 half-moves
17 Rg1 loss in 2 half-moves
18 Rg2 loss in 2 half-moves
19 Rg3 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Kc4 loss in 1 half-moves
22 Kd4 loss in 1 half-moves