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

EGTB: win in 4 half-moves

# move score
1 Kc7 win in 3 half-moves
2 Kd7 win in 3 half-moves
3 R7a6 win in 3 half-moves
4 Re7 win in 5 half-moves
5 Kb7 draw
6 Kb8 draw
7 Kd8 draw
8 R4a6 draw
9 Ra8 draw
10 Rb4 draw
11 Rb7 draw
12 Rc4 draw
13 Rc7 draw
14 Rd4 draw
15 Re4 draw
16 R4a5 loss in 2 half-moves
17 R7a5 loss in 2 half-moves
18 Ra1 loss in 2 half-moves
19 Ra2 loss in 2 half-moves
20 Ra3 loss in 2 half-moves
21 Rd7 loss in 2 half-moves
22 Rf4 loss in 2 half-moves
23 Rf7 loss in 2 half-moves
24 Rg4 loss in 2 half-moves
25 Rg7 loss in 2 half-moves
26 Rh4 loss in 2 half-moves
27 Rh7 loss in 2 half-moves