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

EGTB: win in 4 half-moves

# move score
1 Rh1 win in 3 half-moves
2 K1b1 draw
3 K1b2 draw
4 K2b1 draw
5 K2b2 draw
6 Ra3 draw
7 Rb3 draw
8 Re3 draw
9 Rf3 draw
10 Rg3 draw
11 Rh2 draw
12 Rh4 draw
13 Ka3 loss in 2 half-moves
14 Rc3 loss in 2 half-moves
15 Rd3 loss in 2 half-moves
16 Rh5 loss in 2 half-moves
17 Rh6 loss in 2 half-moves
18 Rh7 loss in 2 half-moves
19 Rh8 loss in 2 half-moves
20 Kb3 loss in 1 half-moves