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

EGTB: win in 4 half-moves

# move score
1 Re1 win in 3 half-moves
2 Re3 win in 3 half-moves
3 K1a2 draw
4 K1b2 draw
5 K3a2 draw
6 K3b2 draw
7 Ka4 draw
8 Kb1 draw
9 Kb3 draw
10 Kb4 draw
11 Ra7 draw
12 Rb7 draw
13 Rc7 draw
14 Rd7 draw
15 Re2 draw
16 Re8 draw
17 Rf7 draw
18 Re4 loss in 2 half-moves
19 Re5 loss in 2 half-moves
20 Re6 loss in 2 half-moves
21 Rg7 loss in 2 half-moves
22 Rh7 loss in 2 half-moves