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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Rh4 draw
3 Rh5 draw
4 Rh6 draw
5 Rh8 draw
6 Kb1 loss in 2 half-moves
7 Kb2 loss in 2 half-moves
8 Kb3 loss in 2 half-moves
9 Kc3 loss in 2 half-moves
10 Kcc1 loss in 2 half-moves
11 Kcd2 loss in 2 half-moves
12 Kd3 loss in 2 half-moves
13 Kdc1 loss in 2 half-moves
14 Kdd2 loss in 2 half-moves
15 Ke1 loss in 2 half-moves
16 Ke2 loss in 2 half-moves
17 Rf1 loss in 2 half-moves
18 Rg1 loss in 2 half-moves
19 Rh2 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh7 loss in 2 half-moves