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 Rd2 draw
13 Rd8 draw
14 Rh7 draw
15 Rd1 loss in 2 half-moves
16 Rd3 loss in 2 half-moves
17 Rd4 loss in 2 half-moves
18 Rd5 loss in 2 half-moves
19 Rd6 loss in 2 half-moves
20 Re7 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves