Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb4 win in 3 half-moves
2 Ra4 draw
3 Rc4 draw
4 Rd4 draw
5 Re4 draw
6 Rh1 draw
7 Rh2 draw
8 Rh3 draw
9 Rh7 draw
10 K3a4 loss in 2 half-moves
11 K3b4 loss in 2 half-moves
12 K5a4 loss in 2 half-moves
13 K5b4 loss in 2 half-moves
14 Ka2 loss in 2 half-moves
15 Ka6 loss in 2 half-moves
16 Kb2 loss in 2 half-moves
17 Kb3 loss in 2 half-moves
18 Kb5 loss in 2 half-moves
19 Kb6 loss in 2 half-moves
20 Rf4 loss in 2 half-moves
21 Rg4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves
23 Rh6 loss in 2 half-moves
24 Rh8 loss in 2 half-moves