| Player Profile | View Advanced Player Stats | 
| 
                            
                                    Roseann DeRosa (PASADENA, CA)
                                
                                 Female  | 
                        
                            
                                4.0 C 12/31/2024  | 
                    
| Estimated Dynamic Rating | 
                            
                                3.7834  10/31/2025  | 
                    
| Projected Year End Rating | 
                            
                                ------ ----------  | 
                    
                    
                        4.0 Rating Meter
                    
                            
                        
                        
                    
3.5001 - 4.0000
                                    
            
                        
                        
                    3.5001 - 4.0000
| Current Playing Areas (Player Rating Lists) | 
| So California / So. California / Los Angeles | 
| So California / So. California / San Fernando Valley | 
| So California / So. California / San Gabriel Valley | 
| Recent Team | Type | Section | Gender | Rating | Match Start | 
|---|---|---|---|---|---|
| SGV Mo Better Dubs-DeRosa-WN/SA10 | Adult 18+ | So California | F | 4.0 | 09/13/2025 | 
| SGV Mo Better Dubs-DeRosa-WN/SA8 | Adult 18+ | So California | F | 4.5 | 09/13/2025 | 
| SFV-Burbank Besties/C Carter | Adult 18+ | So California | F | 4.0 | 09/12/2025 | 
| SGV CA Rollers- Shimizu-WN/SA10 | Tri-Level 18+ | So California | F | 4.0 | 07/05/2025 | 
| SGV LLW Mo Better Tennis-DeRosa-WN/SA8 | Adult 18+ | So California | F | 4.0 | 04/19/2025 | 
| League Type: | Overall | Adult | Mixed | Adult 18+ | Adult 40+ | Adult Other | Flex Format | Mixed 18+ | Mixed 40+ | Mixed Other | Tri-Level 18+ | Tournaments | 
| Match Type: | All | Singles | Doubles | 
| All Matches | Total Matches  | 
                    Win | Loss | WPct | Total Sets  | 
                    Win | Loss | WPct | Total Games  | 
                    Win | Loss | WPct | Defaults | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 39 | 22 | 17 | 56.4 | 92 | 48 | 44 | 52.2 | 700 | 340 | 360 | 48.6 | 4 | 
| 2024 | 54 | 36 | 18 | 66.7 | 125 | 78 | 47 | 62.4 | 976 | 544 | 432 | 55.7 | 0 | 
| 2023 | 39 | 22 | 17 | 56.4 | 89 | 47 | 42 | 52.8 | 727 | 370 | 357 | 50.9 | 1 | 
| 2022 | 60 | 34 | 26 | 56.7 | 133 | 71 | 62 | 53.4 | 1076 | 566 | 510 | 52.6 | 2 | 
| 2021 | 58 | 40 | 18 | 69.0 | 136 | 91 | 45 | 66.9 | 1123 | 638 | 485 | 56.8 | 0 | 
| 2020 | 24 | 18 | 6 | 75.0 | 59 | 40 | 19 | 67.8 | 452 | 257 | 195 | 56.9 | 1 | 
| 2019 | 42 | 28 | 14 | 66.7 | 94 | 60 | 34 | 63.8 | 761 | 418 | 343 | 54.9 | 0 | 
| 2018 | 20 | 13 | 7 | 65.0 | 47 | 28 | 19 | 59.6 | 357 | 186 | 171 | 52.1 | 1 | 
| 2017 | 26 | 6 | 20 | 23.1 | 58 | 16 | 42 | 27.6 | 427 | 160 | 267 | 37.5 | 0 | 
| 2016 | 21 | 13 | 8 | 61.9 | 51 | 29 | 22 | 56.9 | 412 | 209 | 203 | 50.7 | 0 | 
| 2015 | 38 | 29 | 9 | 76.3 | 93 | 65 | 28 | 69.9 | 699 | 412 | 287 | 58.9 | 0 | 
| 2014 | 28 | 11 | 17 | 39.3 | 68 | 29 | 39 | 42.6 | 529 | 261 | 268 | 49.3 | 0 | 
| Total | 449 | 272 | 177 | 60.6 | 1045 | 602 | 443 | 57.6 | 8239 | 4361 | 3878 | 52.9 | 9 | 
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