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 Kh3 draw
4 Rf4 draw
5 Rg4 draw
6 Rh2 draw
7 Kg2 loss in 8 half-moves
8 Rh1 loss in 6 half-moves
9 Rh3 loss in 6 half-moves
10 Kf2 loss in 4 half-moves
11 Kg4 loss in 4 half-moves
12 Kh2 loss in 4 half-moves
13 Kf4 loss in 2 half-moves
14 Ra4 loss in 2 half-moves
15 Rc4 loss in 2 half-moves
16 Rd4 loss in 2 half-moves
17 Re4 loss in 2 half-moves
18 Rh5 loss in 2 half-moves
19 Rh6 loss in 2 half-moves
20 Rh7 loss in 2 half-moves
21 Rh8 loss in 2 half-moves