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 Kf3 draw
3 Kf4 draw
4 Kg4 draw
5 Kh3 draw
6 Kh4 draw
7 Ra4 draw
8 Rc4 draw
9 Rd4 draw
10 Re2 draw
11 Re3 draw
12 Re1 loss in 10 half-moves
13 Kf2 loss in 4 half-moves
14 Kg2 loss in 4 half-moves
15 Kh2 loss in 4 half-moves
16 Re5 loss in 4 half-moves
17 Re6 loss in 2 half-moves
18 Re8 loss in 2 half-moves
19 Rf4 loss in 2 half-moves
20 Rg4 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Re7 loss in 1 half-moves