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 Kb6 win in 5 half-moves
3 Kb7 win in 5 half-moves
4 Kd6 win in 5 half-moves
5 K4b5 win in 7 half-moves
6 K4c5 win in 7 half-moves
7 K4d5 win in 7 half-moves
8 Kb4 win in 7 half-moves
9 Kd4 win in 7 half-moves
10 Ra7 win in 7 half-moves
11 Re7 win in 7 half-moves
12 K6b5 draw
13 K6c5 draw
14 K6d5 draw
15 Kb3 draw
16 Kc3 draw
17 Kd7 draw
18 Rc8 draw
19 Rd7 draw
20 Kd3 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves
23 Rh7 loss in 2 half-moves