Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Ra2 win in 3 half-moves
2 Rb2 win in 3 half-moves
3 Kb6 win in 5 half-moves
4 Kb7 win in 5 half-moves
5 Rc6 win in 5 half-moves
6 Rc7 win in 5 half-moves
7 Rc8 win in 5 half-moves
8 Ka4 draw
9 Ka6 draw
10 Ka7 draw
11 Kb4 draw
12 Kb5 draw
13 Kb8 draw
14 Rc1 draw
15 Rd2 draw
16 Re2 draw
17 Rf2 draw
18 Rc3 loss in 2 half-moves
19 Rc4 loss in 2 half-moves
20 Rc5 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves