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 Ke2 draw
3 Ke3 draw
4 Kf2 draw
5 Kg2 draw
6 Kg3 draw
7 Re4 draw
8 Rg1 draw
9 Rg2 draw
10 Rg3 draw
11 Rg7 draw
12 Rg8 draw
13 Ke4 loss in 2 half-moves
14 Kf4 loss in 2 half-moves
15 Ra4 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rf4 loss in 2 half-moves
19 Rg5 loss in 2 half-moves
20 Rh4 loss in 2 half-moves
21 Rg6 loss in 1 half-moves