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

EGTB: win in 4 half-moves

# move score
1 K1a2 win in 3 half-moves
2 K1b2 win in 3 half-moves
3 K3b2 win in 3 half-moves
4 Ka4 win in 3 half-moves
5 Kb1 win in 3 half-moves
6 Kb3 win in 3 half-moves
7 Re1 win in 3 half-moves
8 Re3 win in 3 half-moves
9 Re4 win in 3 half-moves
10 Ra2 win in 5 half-moves
11 Rf2 win in 9 half-moves
12 Rg2 win in 9 half-moves
13 K3a2 draw
14 Kb4 draw
15 Rd2 draw
16 Re5 draw
17 Re6 draw
18 Rh2 draw
19 Rb2 loss in 2 half-moves
20 Rc2 loss in 2 half-moves
21 Re7 loss in 2 half-moves
22 Re8 loss in 2 half-moves