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 Ka7 win in 5 half-moves
3 Kb4 win in 5 half-moves
4 Kb6 win in 5 half-moves
5 Kc4 win in 5 half-moves
6 Ra7 win in 5 half-moves
7 Rc7 win in 5 half-moves
8 Rd7 win in 5 half-moves
9 Rf7 win in 5 half-moves
10 Kb3 win in 11 half-moves
11 Kb7 win in 13 half-moves
12 Ka5 draw
13 Kb2 draw
14 Kb5 draw
15 Kc2 draw
16 Kd2 draw
17 Kd3 draw
18 Kd4 draw
19 Re1 draw
20 Re6 draw
21 Re8 draw
22 Re2 loss in 2 half-moves
23 Re3 loss in 2 half-moves
24 Re4 loss in 2 half-moves
25 Re5 loss in 2 half-moves
26 Rg7 loss in 2 half-moves
27 Rh7 loss in 2 half-moves