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

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Rh2 draw
3 Rh5 draw
4 Rh6 draw
5 Rh7 draw
6 K4b4 loss in 2 half-moves
7 K4b5 loss in 2 half-moves
8 K5b4 loss in 2 half-moves
9 K5b5 loss in 2 half-moves
10 Ka3 loss in 2 half-moves
11 Ka6 loss in 2 half-moves
12 Kb3 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Rb4 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 Rg4 loss in 2 half-moves
19 Rh1 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh8 loss in 2 half-moves