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 Ka6 win in 7 half-moves
3 Ka8 win in 7 half-moves
4 Kb3 win in 7 half-moves
5 Kb4 win in 7 half-moves
6 Kb5 win in 7 half-moves
7 Kb6 win in 7 half-moves
8 Kb8 win in 7 half-moves
9 Rd6 win in 7 half-moves
10 Rd8 win in 7 half-moves
11 Ka3 draw
12 Ka5 draw
13 Kb7 draw
14 Rc7 draw
15 Rd1 draw
16 Rd5 draw
17 Re7 draw
18 Rd2 loss in 2 half-moves
19 Rd3 loss in 2 half-moves
20 Rd4 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