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 K3b3 draw
3 K4b3 draw
4 Ka2 draw
5 Ka5 draw
6 Kb2 draw
7 Rf4 draw
8 Rg4 draw
9 Rh1 draw
10 Rh2 draw
11 Rh3 draw
12 Rh8 draw
13 K3b4 loss in 2 half-moves
14 K4b4 loss in 2 half-moves
15 Kb5 loss in 2 half-moves
16 Rc4 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rh5 loss in 2 half-moves
20 Rh6 loss in 2 half-moves
21 Rh7 loss in 2 half-moves