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 Kc6 win in 5 half-moves
3 K4b4 draw
4 K4b5 draw
5 K5b4 draw
6 K5b5 draw
7 Kb6 draw
8 Kc3 draw
9 Ra7 draw
10 Rc8 draw
11 Rh7 draw
12 K4d4 loss in 2 half-moves
13 K4d5 loss in 2 half-moves
14 K5d4 loss in 2 half-moves
15 K5d5 loss in 2 half-moves
16 Kb3 loss in 2 half-moves
17 Kd3 loss in 2 half-moves
18 Kd6 loss in 2 half-moves
19 Rc6 loss in 2 half-moves
20 Rd7 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Rf7 loss in 2 half-moves
23 Rg7 loss in 2 half-moves