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

EGTB: win in 4 half-moves

# move score
1 Ra7 win in 3 half-moves
2 Rb7 win in 3 half-moves
3 K1b1 draw
4 K1b2 draw
5 K2b1 draw
6 K2b2 draw
7 Ka3 draw
8 Kb3 draw
9 Rc7 draw
10 Rd7 draw
11 Re1 draw
12 Re5 draw
13 Re6 draw
14 Re8 draw
15 Rf7 draw
16 Re2 loss in 2 half-moves
17 Re3 loss in 2 half-moves
18 Re4 loss in 2 half-moves
19 Rg7 loss in 2 half-moves
20 Rh7 loss in 2 half-moves