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 Kf2 draw
3 Kh2 draw
4 Ra4 draw
5 Rc4 draw
6 Rd4 draw
7 Re4 draw
8 Rf4 draw
9 Rh4 draw
10 Kf1 loss in 2 half-moves
11 Kf3 loss in 2 half-moves
12 Kg1 loss in 2 half-moves
13 Kg3 loss in 2 half-moves
14 Kh1 loss in 2 half-moves
15 Kh3 loss in 2 half-moves
16 Ka7 loss in 1 half-moves
17 Ka8 loss in 1 half-moves
18 Kb7 loss in 1 half-moves
19 Kc7 loss in 1 half-moves
20 Kc8 loss in 1 half-moves
21 Rg3 loss in 1 half-moves
22 Rg5 loss in 1 half-moves
23 Rg6 loss in 1 half-moves
24 Rg7 loss in 1 half-moves
25 Rg8 loss in 1 half-moves