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