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

EGTB: win in 4 half-moves

# move score
1 Kb4 win in 3 half-moves
2 Ra2 win in 11 half-moves
3 Ka4 win in 13 half-moves
4 Rb2 win in 13 half-moves
5 Rd2 win in 21 half-moves
6 Ka6 draw
7 Kb5 draw
8 Kb6 draw
9 Kd1 draw
10 Kd2 draw
11 Kf1 draw
12 Kf2 draw
13 Rc2 draw
14 Re3 draw
15 Re4 draw
16 Re5 draw
17 Re6 draw
18 Rf2 draw
19 Re7 loss in 2 half-moves
20 Re8 loss in 2 half-moves
21 Rg2 loss in 2 half-moves
22 Rh2 loss in 2 half-moves