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Nelsonbetadviser
Nelsonbetadviser is a professional tennis betting advisory service with a long history of success. Proofed to Sports since August 2003. It should be noted that the earlier record is based on much larger stake sizes which has consequently influenced the nature of the profit chart.
Betting Record
The rating is a measure of the strength of the tipster's profit record, and is simply number of bets multimplied by yield. More information on this can be found here. The ranking value is the position the tipster holds in the 5 tipsters leagues.
Note: The vertical black line in the chart below marks the point at which this service began proofing to Sports-Tipsters. Tips prior to this point are unverified.

| Month |
Bets |
Stakes |
Profit |
Yield |
| Jan-2001 |
30 |
425 |
30.80 |
7.25% |
| Feb-2001 |
25 |
252 |
73.99 |
29.36% |
| Mar-2001 |
37 |
383 |
57.38 |
14.98% |
| Apr-2001 |
23 |
192 |
-5.42 |
-2.82% |
| May-2001 |
37 |
236 |
64.30 |
27.25% |
| Jun-2001 |
32 |
161 |
60.72 |
37.71% |
| Jul-2001 |
26 |
138 |
9.76 |
7.07% |
| Aug-2001 |
35 |
229 |
-21.99 |
-9.60% |
| Sep-2001 |
28 |
221 |
36.81 |
16.66% |
| Oct-2001 |
39 |
204 |
44.83 |
21.98% |
| Nov-2001 |
12 |
118 |
-9.23 |
-7.82% |
| Dec-2001 |
25 |
77 |
-6.56 |
-8.52% |
| Jan-2002 |
44 |
174 |
5.86 |
3.37% |
| Feb-2002 |
41 |
109 |
42.96 |
39.41% |
| Mar-2002 |
50 |
135 |
0.44 |
0.33% |
| Apr-2002 |
40 |
96 |
2.75 |
2.86% |
| May-2002 |
35 |
136 |
-8.03 |
-5.90% |
| Jun-2002 |
37 |
125 |
39.01 |
31.21% |
| Jul-2002 |
29 |
79 |
11.47 |
14.52% |
| Aug-2002 |
32 |
96 |
-17.86 |
-18.60% |
| Sep-2002 |
17 |
48 |
20.79 |
43.31% |
| Oct-2002 |
25 |
60 |
11.72 |
19.53% |
| Nov-2002 |
2 |
4 |
-4.00 |
-100.00% |
| Jan-2003 |
25 |
82.5 |
14.06 |
17.04% |
| Feb-2003 |
21 |
53 |
2.57 |
4.84% |
| Mar-2003 |
28 |
55.5 |
16.59 |
29.88% |
| Apr-2003 |
23 |
47.5 |
20.18 |
42.47% |
| May-2003 |
36 |
74.5 |
28.55 |
38.32% |
| Jun-2003 |
27 |
61 |
12.33 |
20.21% |
| Jul-2003 |
15 |
28 |
0.94 |
3.36% |
| Aug-2003 |
25 |
46.5 |
-11.19 |
-24.06% |
| Sep-2003 |
22 |
36.5 |
-0.51 |
-1.41% |
| Oct-2003 |
36 |
56 |
-0.36 |
-0.64% |
| Nov-2003 |
4 |
2.75 |
-2.75 |
-100.00% |
| Jan-2004 |
20 |
41.5 |
9.01 |
21.72% |
| Feb-2004 |
25 |
43.6 |
5.96 |
13.66% |
| Mar-2004 |
30 |
47.5 |
-8.52 |
-17.95% |
| Apr-2004 |
33 |
49 |
5.15 |
10.50% |
| May-2004 |
41 |
69.8 |
-17.93 |
-25.68% |
| Jun-2004 |
30 |
44.75 |
19.38 |
43.32% |
| Jul-2004 |
33 |
42 |
14.85 |
35.36% |
| Aug-2004 |
25 |
34.5 |
8.83 |
25.59% |
| Sep-2004 |
31 |
48.5 |
4.54 |
9.35% |
| Oct-2004 |
44 |
42.75 |
4.75 |
11.11% |
| Nov-2004 |
6 |
6.5 |
2.90 |
44.64% |
| Jan-2005 |
27 |
39.75 |
2.28 |
5.74% |
| Feb-2005 |
52 |
49.1 |
-7.46 |
-15.18% |
| Mar-2005 |
33 |
36.25 |
5.73 |
15.80% |
| Apr-2005 |
35 |
39.1 |
-0.24 |
-0.62% |
| May-2005 |
33 |
40.85 |
6.99 |
17.10% |
| Jun-2005 |
34 |
34 |
-0.42 |
-1.24% |
| Jul-2005 |
32 |
30.35 |
9.63 |
31.73% |
| Aug-2005 |
32 |
32.65 |
2.25 |
6.89% |
| Sep-2005 |
30 |
24.2 |
8.54 |
35.30% |
| Oct-2005 |
23 |
17.95 |
3.55 |
19.78% |
| Nov-2005 |
2 |
0.6 |
0.90 |
150.00% |
| Jan-2006 |
20 |
30.2 |
-2.61 |
-8.64% |
| Feb-2006 |
7 |
3.55 |
-1.79 |
-50.28% |
| Mar-2006 |
30 |
19.25 |
1.413 |
7.34% |
| Apr-2006 |
18 |
16.2 |
-1.82 |
-11.24% |
| May-2006 |
29 |
19.35 |
6.67 |
34.48% |
| Jun-2006 |
33 |
15.4 |
1.33 |
8.61% |
| Jul-2006 |
22 |
10.5 |
5.55 |
52.90% |
| Aug-2006 |
36 |
18.05 |
0.69 |
3.83% |
| Sep-2006 |
19 |
12.5 |
-2.05 |
-16.40% |
| Oct-2006 |
36 |
22.6 |
2.79 |
12.33% |
| Jan-2007 |
32 |
28.55 |
1.76 |
6.16% |
| Feb-2007 |
30 |
14.85 |
8.83 |
59.45% |
| Mar-2007 |
25 |
13 |
-0.72 |
-5.56% |
| Apr-2007 |
10 |
7.65 |
0.77 |
10.05% |
| May-2007 |
34 |
28.7 |
-0.54 |
-1.90% |
| Jun-2007 |
54 |
36.65 |
7.50 |
20.46% |
| Jul-2007 |
26 |
11.95 |
3.99 |
33.42% |
| Aug-2007 |
21 |
12.05 |
2.80 |
23.27% |
| Sep-2007 |
9 |
4.65 |
0.19 |
4.03% |
| Oct-2007 |
22 |
12.05 |
-6.69 |
-55.49% |
| Nov-2007 |
5 |
2 |
6.37 |
318.60% |
| Jan-2008 |
22 |
14.95 |
4.76 |
31.81% |
| Feb-2008 |
23 |
12.45 |
-7.84 |
-62.98% |
| Mar-2008 |
24 |
15.7 |
-1.54 |
-9.78% |
| Apr-2008 |
9 |
6.3 |
2.66 |
42.16% |
| May-2008 |
23 |
17.05 |
-3.18 |
-18.65% |
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