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

EGTB: win in 4 half-moves

# move score
1 Rc7 win in 3 half-moves
2 Kb1 draw
3 Kb2 draw
4 Kc2 draw
5 Kd1 draw
6 Kd2 draw
7 Ra2 draw
8 Ra3 draw
9 Ra4 draw
10 Ra6 draw
11 Ra8 draw
12 Raa7 draw
13 Rb1 draw
14 Re1 draw
15 Re2 draw
16 Re3 draw
17 Re8 draw
18 Rea7 draw
19 Rf7 draw
20 Rb7 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Re4 loss in 2 half-moves
23 Re5 loss in 2 half-moves
24 Re6 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh7 loss in 2 half-moves
27 Ra5 loss in 1 half-moves