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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 K4b4 draw
3 K4b5 draw
4 K5b4 draw
5 K5b5 draw
6 Ka3 draw
7 Ka6 draw
8 Kb3 draw
9 Kb6 draw
10 Ra7 draw
11 Rc7 draw
12 Rd7 draw
13 Rh1 draw
14 Rh2 draw
15 Rh6 draw
16 Rh8 draw
17 Re7 loss in 2 half-moves
18 Rf7 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh3 loss in 2 half-moves
21 Rh4 loss in 2 half-moves
22 Rh5 loss in 2 half-moves