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 Kf5 draw
3 Kf6 draw
4 Kg6 draw
5 Kh5 draw
6 Kh6 draw
7 Rd4 draw
8 Re2 draw
9 Re3 draw
10 Re8 draw
11 Kf4 loss in 2 half-moves
12 Kg4 loss in 2 half-moves
13 Kh4 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re5 loss in 2 half-moves
18 Re6 loss in 2 half-moves
19 Re7 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh4 loss in 2 half-moves