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

EGTB: win in 2 half-moves

# move score
1 Re4 win in 1 half-moves
2 Rf4 win in 1 half-moves
3 Kb5 draw
4 Kc5 draw
5 Kc6 draw
6 Ra3 draw
7 Ra7 draw
8 Ra8 draw
9 Rg4 draw
10 Kc7 loss in 22 half-moves
11 Ra6 loss in 22 half-moves
12 Kb7 loss in 20 half-moves
13 Ka5 loss in 10 half-moves
14 Ka6 loss in 6 half-moves
15 Ka7 loss in 4 half-moves
16 Rh4 loss in 4 half-moves
17 Ra1 loss in 2 half-moves
18 Ra2 loss in 2 half-moves
19 Ra5 loss in 2 half-moves
20 Rb4 loss in 2 half-moves
21 Rc4 loss in 2 half-moves
22 Rd4 loss in 2 half-moves