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

EGTB: win in 4 half-moves

# move score
1 Rb7 win in 3 half-moves
2 Rc7 win in 3 half-moves
3 Kb1 draw
4 Kb2 draw
5 Kb3 draw
6 Kc1 draw
7 Kc3 draw
8 Ra7 draw
9 Re6 draw
10 Re8 draw
11 Rh7 draw
12 Kd1 loss in 2 half-moves
13 Kd2 loss in 2 half-moves
14 Kd3 loss in 2 half-moves
15 Rd7 loss in 2 half-moves
16 Re1 loss in 2 half-moves
17 Re2 loss in 2 half-moves
18 Re3 loss in 2 half-moves
19 Re4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Rf7 loss in 2 half-moves
22 Rg7 loss in 2 half-moves