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

EGTB: win in 2 half-moves

# move score
1 Ra4 win in 1 half-moves
2 Kb4 draw
3 Kc4 draw
4 Kd4 draw
5 Re1 draw
6 Re2 draw
7 Re3 draw
8 Re7 draw
9 Rf4 draw
10 Rg4 draw
11 Rh4 draw
12 Kb5 loss in 2 half-moves
13 Kb6 loss in 2 half-moves
14 Kc6 loss in 2 half-moves
15 Kd5 loss in 2 half-moves
16 Kd6 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd4 loss in 2 half-moves
20 Re5 loss in 2 half-moves
21 Re6 loss in 2 half-moves
22 Re8 loss in 2 half-moves