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

EGTB: win in 2 half-moves

# move score
1 Rb3 win in 1 half-moves
2 Ke4 draw
3 Kg4 draw
4 Ra3 draw
5 Rf3 draw
6 Rg5 draw
7 Rh3 draw
8 Rg1 loss in 8 half-moves
9 Rg2 loss in 8 half-moves
10 Kf3 loss in 6 half-moves
11 Rg4 loss in 6 half-moves
12 Ke3 loss in 4 half-moves
13 Kg5 loss in 4 half-moves
14 Ke5 loss in 2 half-moves
15 Kf5 loss in 2 half-moves
16 Rc3 loss in 2 half-moves
17 Rd3 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Rg6 loss in 2 half-moves
20 Rg7 loss in 2 half-moves
21 Rg8 loss in 2 half-moves