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

EGTB: win in 4 half-moves

# move score
1 Re7 win in 3 half-moves
2 Kd8 win in 5 half-moves
3 R7a6 win in 5 half-moves
4 Kb7 win in 15 half-moves
5 Kb8 draw
6 Kc7 draw
7 Kd7 draw
8 R5a6 draw
9 Ra3 draw
10 Ra8 draw
11 Re5 draw
12 Rf5 draw
13 Rf7 draw
14 Ra1 loss in 2 half-moves
15 Ra2 loss in 2 half-moves
16 Ra4 loss in 2 half-moves
17 Rb5 loss in 2 half-moves
18 Rb7 loss in 2 half-moves
19 Rc5 loss in 2 half-moves
20 Rc7 loss in 2 half-moves
21 Rd5 loss in 2 half-moves
22 Rd7 loss in 2 half-moves
23 Rg5 loss in 2 half-moves
24 Rg7 loss in 2 half-moves
25 Rh5 loss in 2 half-moves
26 Rh7 loss in 2 half-moves