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

EGTB: win in 2 half-moves

# move score
1 Rb4 win in 1 half-moves
2 Re1 win in 1 half-moves
3 Kd4 win in 7 half-moves
4 Ke2 draw
5 Ke3 draw
6 Rc4 draw
7 Rd4 draw
8 Re2 draw
9 Re3 draw
10 Kc3 loss in 2 half-moves
11 Kc4 loss in 2 half-moves
12 Kd2 loss in 2 half-moves
13 Ra4 loss in 2 half-moves
14 Re5 loss in 2 half-moves
15 Re6 loss in 2 half-moves
16 Re7 loss in 2 half-moves
17 Rg4 loss in 2 half-moves
18 Rh4 loss in 2 half-moves
19 Kc2 loss in 1 half-moves
20 Re8 loss in 1 half-moves
21 Rf4 loss in 1 half-moves