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

EGTB: win in 2 half-moves

# move score
1 Rh4 win in 1 half-moves
2 Rb4 draw
3 Rc4 draw
4 Rd4 draw
5 Rg1 draw
6 Rg2 draw
7 Rg3 draw
8 K4b4 loss in 2 half-moves
9 K4b5 loss in 2 half-moves
10 K5b4 loss in 2 half-moves
11 K5b5 loss in 2 half-moves
12 Ka3 loss in 2 half-moves
13 Ka6 loss in 2 half-moves
14 Kb3 loss in 2 half-moves
15 Kb6 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