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

EGTB: win in 6 half-moves

# move score
1 Rb1 win in 5 half-moves
2 Ka2 win in 9 half-moves
3 Kb3 win in 9 half-moves
4 Kb2 win in 17 half-moves
5 Ra1 win in 31 half-moves
6 Rc1 win in 33 half-moves
7 Ka4 draw
8 Kb4 draw
9 Kf1 draw
10 Kf2 draw
11 Kd2 loss in 2 half-moves
12 Ke2 loss in 2 half-moves
13 Rd2 loss in 2 half-moves
14 Rd3 loss in 2 half-moves
15 Rd4 loss in 2 half-moves
16 Rd5 loss in 2 half-moves
17 Rd6 loss in 2 half-moves
18 Rd7 loss in 2 half-moves
19 Rd8 loss in 2 half-moves