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 Ra7 win in 7 half-moves
3 Rc7 win in 7 half-moves
4 Rh7 win in 7 half-moves
5 K5b5 draw
6 K5b6 draw
7 K6b5 draw
8 K6b6 draw
9 Ka4 draw
10 Ka7 draw
11 Kb4 draw
12 Kb7 draw
13 Rg1 draw
14 Rg5 draw
15 Rg6 draw
16 Rg8 draw
17 Rd7 loss in 2 half-moves
18 Re7 loss in 2 half-moves
19 Rf7 loss in 2 half-moves
20 Rg2 loss in 2 half-moves
21 Rg3 loss in 2 half-moves
22 Rg4 loss in 2 half-moves